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AREA CODE
Prefix # Primary City Phone Provider County Type First Added
(815) 200 La Salle Paetec Communications La Salle landline and VOIP June 20th 2006
(815) 201 Rockford Bandwidth.com Clec Winnebago Cell Number August 15th 2012
(815) 202 Oglesby New Cingular Wireless PCS Cell Number April 8th 2008
(815) 203 Joliet Usa Mobility Wireless Cell Number January 25th 1998
(815) 204 Crystal Lake Usa Mobility Wireless Cell Number January 25th 1998
(815) 205 La Grange Park Centurylink Communications LLC Cell Number January 31st 2014
(815) 206 Woodstock Ameritech Illinois landline and VOIP August 20th 2000
(815) 207 Joliet AT&T; Local landline and VOIP August 14th 1998
(815) 208 Fulton Mediacom Telephony Of Illinois landline and VOIP June 1st 2006
(815) 209 Rockford Level 3 Communications Winnebago landline and VOIP February 4th 2002
(815) 210 Joliet New Cingular Wireless PCS Cell Number August 20th 2000
(815) 212 Joliet T-mobile Usa landline and VOIP August 14th 1998
(815) 213 Sterling United States Cellular Corp. - Illinois Cell Number September 29th 2004
(815) 214 Kankakee Rcn Telecom Services Of Illinois Kankakee landline and VOIP May 10th 1999
(815) 215 New Lenox First Communications LLC landline and VOIP February 4th 2002
(815) 216 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number October 31st 2000
(815) 217 Dekalb Digital Network Access Communications landline and VOIP February 16th 2006
(815) 218 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number January 25th 1998
(815) 219 Crystal Lake Sprint Spectrum L.p. Cell Number June 6th 2006
(815) 220 La Salle Ameritech Illinois La Salle landline and VOIP October 13th 1999
(815) 221 Lockport Teleport Communications America landline and VOIP October 15th 1996
(815) 222 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number January 25th 1998
(815) 223 La Salle Ameritech Illinois La Salle landline and VOIP February 4th 1994
(815) 224 La Salle Ameritech Illinois La Salle landline and VOIP February 4th 1994
(815) 225 Milledgeville Citizens Telecom Co Illinois-frontier Citizens -il Carroll landline and VOIP February 4th 1994
(815) 226 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 227 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 228 Oglesby New Cingular Wireless PCS Cell Number February 4th 1994
(815) 229 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 230 Plainfield Broadwing Communications landline and VOIP October 13th 1999
(815) 231 Rockford Ameritech Illinois Winnebago landline and VOIP September 11th 1994
(815) 232 Freeport Frontier North Stephenson landline and VOIP February 4th 1994
(815) 233 Freeport Frontier North Stephenson landline and VOIP February 4th 1994
(815) 234 Byron Frontier North landline and VOIP February 4th 1994
(815) 235 Freeport Frontier North Stephenson landline and VOIP February 4th 1994
(815) 236 Woodstock New Cingular Wireless PCS Cell Number February 4th 1994
(815) 237 Gardner Ameritech Illinois landline and VOIP February 4th 1994
(815) 238 Freeport Cellco Partnership DBA Verizon Wireless Stephenson Cell Number February 4th 1994
(815) 239 Pecatonica Frontier North landline and VOIP February 4th 1994
(815) 240 Rockford Charter Fiberlink - Illinois Winnebago landline and VOIP October 18th 2010
(815) 241 Northbrook American Messaging (am) Cell Number April 15th 1996
(815) 242 Rockford Bandwidth.com Clec Winnebago Cell Number May 2nd 2014
(815) 243 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number October 15th 1996
(815) 244 Mt Carroll Gallatin River Communications DBA Centurylink landline and VOIP February 4th 1994
(815) 245 Woodstock New Cingular Wireless PCS Cell Number February 4th 1994
(815) 246 Earlville Frontier North landline and VOIP February 4th 1994
(815) 247 Pecatonica Frontier North landline and VOIP February 4th 1994
(815) 248 Durand Frontier North landline and VOIP February 4th 1994
(815) 249 Grand Ridge Frontier North landline and VOIP February 4th 1994
(815) 250 La Salle Comcast Phone Of Illinois DBA Comco La Salle landline and VOIP August 25th 2006
(815) 251 Rock Falls Gallatin River Communications DBA Centurylink landline and VOIP February 4th 1994
(815) 252 Oglesby New Cingular Wireless PCS Cell Number February 4th 1994
(815) 253 Kempton Frontier Communications Of Illinois landline and VOIP February 4th 1994
(815) 254 Plainfield Ameritech Illinois landline and VOIP February 4th 1994
(815) 255 Minooka Us Xchange Of Illinois LLC DBA Choice One Comm Il landline and VOIP November 3rd 2009
(815) 256 Stelle Stelle Telephone Co. landline and VOIP February 4th 1994
(815) 257 Streator Illinois Valley Cellular Rsa 2-ii Partnership Cell Number February 4th 1994
(815) 258 Joliet New Cingular Wireless PCS Cell Number February 4th 1994
(815) 259 Thomson Gallatin River Communications DBA Centurylink landline and VOIP February 4th 1994
(815) 260 Joliet Sprint Spectrum L.p. Cell Number January 11th 1997
(815) 261 Crystal Lake Mci Worldcom Communications landline and VOIP January 11th 1997
(815) 262 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number February 4th 1994
(815) 263 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number July 1st 1996
(815) 264 Waterman Frontier North landline and VOIP February 4th 1994
(815) 265 Gilman Ameritech Illinois landline and VOIP February 4th 1994
(815) 266 Freeport Frontier North Stephenson landline and VOIP February 4th 1994
(815) 267 Plainfield Mci Worldcom Communications landline and VOIP January 11th 1997
(815) 268 Onarga Ameritech Illinois landline and VOIP February 4th 1994
(815) 269 Danforth Frontier Communications Of The Carolinas, Inc landline and VOIP February 4th 1994
(815) 270 Lanark Charter Fiberlink - Illinois landline and VOIP April 24th 2007
(815) 271 Mchenry Mci Worldcom Communications landline and VOIP April 1st 1997
(815) 272 Joliet Mci Worldcom Communications landline and VOIP January 11th 1997
(815) 273 Savanna Gallatin River Communications DBA Centurylink landline and VOIP February 4th 1994
(815) 274 Joliet New Cingular Wireless PCS Cell Number January 11th 1997
(815) 275 Freeport Cellco Partnership DBA Verizon Wireless Stephenson Cell Number February 4th 1994
(815) 276 Crystal Lake Teleport Communications America landline and VOIP April 1st 1997
(815) 277 Frankfort Teleport Communications America landline and VOIP April 1st 1997
(815) 278 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number October 15th 1996
(815) 279 Kankakee American Messaging (am) Kankakee Cell Number January 11th 1997
(815) 280 Joliet Teleport Communications America landline and VOIP April 1st 1997
(815) 281 Galena United States Cellular Corp. - Illinois Jo Daviess Cell Number June 15th 2004
(815) 282 Loves Park Ameritech Illinois landline and VOIP February 4th 1994
(815) 283 Dekalb Mediacom Telephony Of Illinois landline and VOIP March 5th 2010
(815) 284 Dixon Gallatin River Communications DBA Centurylink Lee landline and VOIP February 4th 1994
(815) 285 Dixon Gallatin River Communications DBA Centurylink Lee landline and VOIP February 4th 1994
(815) 286 Hinckley Frontier North landline and VOIP February 4th 1994
(815) 287 Verona Ameritech Illinois Grundy landline and VOIP February 4th 1994
(815) 288 Dixon Gallatin River Communications DBA Centurylink Lee landline and VOIP February 4th 1994
(815) 289 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number July 6th 1997
(815) 290 Minooka Sbc Internet Services landline and VOIP February 10th 2006
(815) 291 Freeport United States Cellular Corp. - Illinois Stephenson Cell Number January 14th 2000
(815) 292 South Beloit Bergen Telephone Co. - Illinois landline and VOIP January 10th 1996
(815) 293 Romeoville Ameritech Illinois landline and VOIP October 15th 1996
(815) 294 La Grange Park Usa Mobility Wireless Cell Number January 10th 1996
(815) 295 Kankakee T-mobile Usa Kankakee landline and VOIP July 6th 1997
(815) 296 Rockford Usa Mobility Wireless Winnebago Cell Number July 6th 1997
(815) 297 Freeport Frontier North Stephenson landline and VOIP October 11th 1997
(815) 298 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number July 6th 1997
(815) 299 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number July 4th 1995
(815) 300 Chicago Ameritech Illinois Cook landline and VOIP December 22nd 2010
(815) 301 Crystal Lake Broadwing Communications landline and VOIP October 31st 2000
(815) 302 Joliet Sprint Spectrum L.p. Cell Number October 31st 2000
(815) 303 Princeton Illinois Valley Cellular Rsa 2-i Partnership Cell Number August 20th 2000
(815) 304 Kankakee Broadwing Communications Kankakee landline and VOIP October 31st 2000
(815) 305 Gardner Broadwing Communications landline and VOIP October 31st 2000
(815) 306 Lockport Broadwing Communications landline and VOIP October 31st 2000
(815) 307 Mchenry Broadwing Communications landline and VOIP October 31st 2000
(815) 308 Woodstock Broadwing Communications landline and VOIP October 31st 2000
(815) 309 Shannon Aero North Communications landline and VOIP July 18th 2006
(815) 310 Utica Broadwing Communications landline and VOIP October 31st 2000
(815) 312 Rockford Ymax Communications Corp. Winnebago landline and VOIP December 15th 2008
(815) 313 Ottawa Broadwing Communications landline and VOIP October 31st 2000
(815) 314 Manhattan Broadwing Communications landline and VOIP October 31st 2000
(815) 315 Rockford Level 3 Communications Winnebago landline and VOIP October 31st 2000
(815) 316 Rockford Tds Metrocom Inc.-il Winnebago landline and VOIP October 31st 2000
(815) 317 Crescent City Broadwing Communications landline and VOIP October 31st 2000
(815) 318 Morris Broadwing Communications landline and VOIP October 31st 2000
(815) 319 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number June 13th 2000
(815) 320 Kankakee Peerless Network Of Illinois Kankakee Cell Number April 28th 2009
(815) 321 Woodstock Xo Illinois landline and VOIP January 11th 1997
(815) 322 Mchenry Level 3 Communications landline and VOIP January 11th 1997
(815) 323 Belvidere Level 3 Communications Boone landline and VOIP February 10th 2005
(815) 324 Ottawa Mediacom Telephony Of Illinois landline and VOIP January 8th 2010
(815) 325 Joliet New Cingular Wireless PCS Cell Number July 6th 1997
(815) 326 Oglesby New Cingular Wireless PCS Cell Number July 6th 1997
(815) 327 Plainfield Broadwing Communications landline and VOIP October 11th 1997
(815) 328 Lockport Broadwing Communications landline and VOIP October 11th 1997
(815) 329 Rockford Sbc Internet Services Winnebago landline and VOIP March 11th 2013
(815) 330 Crescent City First Communications LLC landline and VOIP March 3rd 2001
(815) 331 Mchenry Broadwing Communications landline and VOIP October 11th 1997
(815) 332 Cherry Valley Frontier North landline and VOIP February 4th 1994
(815) 333 Woodstock Broadwing Communications landline and VOIP October 11th 1997
(815) 334 Woodstock Ameritech Illinois landline and VOIP February 4th 1994
(815) 335 Winnebago Frontier North landline and VOIP February 4th 1994
(815) 336 Milledgeville Citizens Telecom Co Illinois-frontier Citizens -il Carroll landline and VOIP February 4th 1994
(815) 337 Woodstock Ameritech Illinois landline and VOIP February 4th 1994
(815) 338 Woodstock Ameritech Illinois landline and VOIP February 4th 1994
(815) 339 Granville Frontier North Putnam landline and VOIP February 4th 1994
(815) 340 La Moille Comcast Phone Of Illinois DBA Comco landline and VOIP August 25th 2006
(815) 341 Joliet New Cingular Wireless PCS Cell Number October 11th 1997
(815) 342 Joliet New Cingular Wireless PCS Cell Number October 11th 1997
(815) 343 Oglesby New Cingular Wireless PCS Cell Number January 25th 1998
(815) 344 Mchenry Ameritech Illinois landline and VOIP February 4th 1994
(815) 345 Woodstock Level 3 Communications landline and VOIP May 18th 1998
(815) 346 Gardner Broadwing Communications landline and VOIP January 25th 1998
(815) 347 Woodstock Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(815) 348 Kankakee Us Xchange Of Illinois LLC DBA Choice One Comm Il Kankakee landline and VOIP October 16th 2009
(815) 349 Mchenry Xo Illinois landline and VOIP June 30th 2001
(815) 350 Franklin Grove Essex Telcom landline and VOIP June 13th 2000
(815) 351 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number January 10th 1996
(815) 352 Kankakee Broadwing Communications Kankakee landline and VOIP January 25th 1998
(815) 353 Woodstock Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(815) 354 Woodstock Cellco Partnership DBA Verizon Wireless Cell Number February 11th 1995
(815) 355 Woodstock Cellco Partnership DBA Verizon Wireless Cell Number October 11th 1997
(815) 356 Crystal Lake Ameritech Illinois landline and VOIP February 4th 1994
(815) 357 Seneca Ameritech Illinois landline and VOIP February 4th 1994
(815) 358 Cornell C-r Telephone Co. Livingston landline and VOIP February 4th 1994
(815) 359 Harmon Gallatin River Communications DBA Centurylink landline and VOIP February 4th 1994
(815) 360 Sublette Essex Telcom landline and VOIP June 13th 2000
(815) 361 Manhattan Broadwing Communications landline and VOIP January 25th 1998
(815) 362 German Valley Frontier North landline and VOIP February 4th 1994
(815) 363 Mchenry Ameritech Illinois landline and VOIP February 4th 1994
(815) 364 Morris Broadwing Communications landline and VOIP January 25th 1998
(815) 365 Reddick Frontier North landline and VOIP February 4th 1994
(815) 366 Ottawa Broadwing Communications landline and VOIP January 25th 1998
(815) 367 Winslow Frontier North landline and VOIP February 4th 1994
(815) 368 Lostant Frontier North landline and VOIP February 4th 1994
(815) 369 Lena Frontier North landline and VOIP February 4th 1994
(815) 370 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number January 10th 1996
(815) 371 Utica Broadwing Communications landline and VOIP January 25th 1998
(815) 372 Romeoville Ameritech Illinois landline and VOIP February 4th 1994
(815) 373 Elwood Us Xchange Of Illinois LLC DBA Choice One Comm Il landline and VOIP November 4th 2009
(815) 374 Dwight Us Xchange Of Illinois LLC DBA Choice One Comm Il landline and VOIP November 4th 2009
(815) 375 Dekalb United States Cellular Corp. - Illinois Cell Number September 11th 1994
(815) 376 Ohio Frontier North landline and VOIP February 4th 1994
(815) 377 Crescent City Broadwing Communications landline and VOIP January 25th 1998
(815) 378 Rockford Sprint Spectrum L.p. Winnebago Cell Number February 11th 1995
(815) 379 Walnut Frontier North landline and VOIP February 4th 1994
(815) 380 Sterling Essex Telcom landline and VOIP March 3rd 2001
(815) 381 Rockford Ameritech Illinois Winnebago landline and VOIP April 1st 1997
(815) 382 Woodstock New Cingular Wireless PCS Cell Number February 4th 1994
(815) 383 Crescent City New Cingular Wireless PCS Cell Number February 4th 1994
(815) 384 Malta Frontier North landline and VOIP February 4th 1994
(815) 385 Mchenry Ameritech Illinois landline and VOIP February 4th 1994
(815) 386 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number October 13th 1999
(815) 387 Rockford Ameritech Illinois Winnebago landline and VOIP May 18th 1998
(815) 388 Mchenry Sprint Spectrum L.p. landline and VOIP May 18th 1998
(815) 389 Beloit Ameritech Illinois landline and VOIP January 10th 1996
(815) 390 Braidwood Comcast Phone Of Illinois DBA Comco landline and VOIP October 14th 2004
(815) 391 Rockford Ameritech Illinois Winnebago landline and VOIP July 4th 1995
(815) 392 Kinsman Kinsman Mutual Telephone Company landline and VOIP February 4th 1994
(815) 393 Monroe Center Frontier North landline and VOIP February 4th 1994
(815) 394 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 395 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 396 Steward Frontier North landline and VOIP February 4th 1994
(815) 397 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 398 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 399 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 400 Morrison Mediacom Telephony Of Illinois landline and VOIP February 15th 2010
(815) 401 Kankakee Level 3 Communications Kankakee landline and VOIP March 3rd 2001
(815) 402 Galena Level 3 Communications Jo Daviess landline and VOIP August 17th 2004
(815) 403 Mchenry Sprint Spectrum L.p. Cell Number October 31st 2000
(815) 404 Crystal Lake Sprint Spectrum L.p. Cell Number October 31st 2000
(815) 405 Joliet Sprint Spectrum L.p. Cell Number March 3rd 2001
(815) 406 Byron Frontier North landline and VOIP March 3rd 2001
(815) 407 Romeoville Ameritech Illinois landline and VOIP July 4th 1995
(815) 408 Utica First Communications LLC landline and VOIP March 3rd 2001
(815) 409 Joliet Cellco Partnership DBA Verizon Wireless Cell Number August 18th 2005
(815) 410 La Salle Level 3 Communications La Salle landline and VOIP February 4th 2002
(815) 412 Frankfort Broadwing Communications landline and VOIP June 13th 2000
(815) 413 Morris First Communications LLC landline and VOIP March 3rd 2001
(815) 414 Earlville New Cingular Wireless PCS Cell Number October 14th 2004
(815) 415 Seneca Ameritech Illinois landline and VOIP March 3rd 2001
(815) 416 Morris Ameritech Illinois landline and VOIP March 3rd 2001
(815) 417 Braidwood Ameritech Illinois landline and VOIP March 3rd 2001
(815) 418 Manhattan First Communications LLC landline and VOIP March 3rd 2001
(815) 419 Pontiac AT&T; Local landline and VOIP March 19th 2003
(815) 420 Malta Essex Telcom landline and VOIP June 13th 2000
(815) 421 Herscher Ameritech Illinois landline and VOIP October 15th 1996
(815) 422 St Anne Ameritech Illinois landline and VOIP October 15th 1996
(815) 423 Elwood Ameritech Illinois landline and VOIP February 4th 1994
(815) 424 Elwood Ameritech Illinois landline and VOIP February 4th 1994
(815) 425 Crystal Lake Broadwing Communications landline and VOIP July 22nd 1999
(815) 426 Herscher Ameritech Illinois landline and VOIP February 4th 1994
(815) 427 St Anne Ameritech Illinois landline and VOIP February 4th 1994
(815) 428 Martinton Frontier North landline and VOIP February 4th 1994
(815) 429 Sheldon Frontier North landline and VOIP February 4th 1994
(815) 430 Mchenry First Communications LLC landline and VOIP March 3rd 2001
(815) 431 Ottawa Ameritech Illinois landline and VOIP January 11th 1997
(815) 432 Watseka Ameritech Illinois landline and VOIP February 4th 1994
(815) 433 Ottawa Ameritech Illinois landline and VOIP February 4th 1994
(815) 434 Ottawa Ameritech Illinois landline and VOIP February 4th 1994
(815) 435 Beaverville Frontier North landline and VOIP February 4th 1994
(815) 436 Plainfield Ameritech Illinois landline and VOIP February 4th 1994
(815) 437 Putnam Frontier North landline and VOIP February 4th 1994
(815) 438 Tampico Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 439 Plainfield Ameritech Illinois landline and VOIP February 4th 1994
(815) 440 Dixon Cellco Partnership DBA Verizon Wireless Lee Cell Number August 14th 1998
(815) 441 Sterling Cellco Partnership DBA Verizon Wireless Cell Number August 14th 1998
(815) 442 Tonica Tonica Telephone Co. landline and VOIP February 4th 1994
(815) 443 Pearl City Frontier North landline and VOIP February 4th 1994
(815) 444 Crystal Lake Ameritech Illinois landline and VOIP May 10th 1999
(815) 445 Sheffield Frontier North landline and VOIP February 4th 1994
(815) 446 Oglesby Frontier North landline and VOIP February 4th 1994
(815) 447 Spring Valley Frontier Communications Of Depue landline and VOIP February 4th 1994
(815) 448 Mazon Ameritech Illinois landline and VOIP February 4th 1994
(815) 449 Dakota Frontier North landline and VOIP February 4th 1994
(815) 450 Momence New Cingular Wireless PCS Cell Number July 27th 2004
(815) 451 Woodstock New Cingular Wireless PCS Cell Number November 20th 1998
(815) 452 Toluca Frontier North landline and VOIP February 4th 1994
(815) 453 Ashton Frontier North landline and VOIP February 4th 1994
(815) 454 Sheffield Frontier North landline and VOIP February 4th 1994
(815) 455 Crystal Lake Ameritech Illinois landline and VOIP February 4th 1994
(815) 456 Franklin Grove Frontier North landline and VOIP February 4th 1994
(815) 457 Cissna Park Frontier Communications Of The Carolinas, Inc landline and VOIP February 4th 1994
(815) 458 Braidwood Ameritech Illinois landline and VOIP February 4th 1994
(815) 459 Crystal Lake Ameritech Illinois landline and VOIP February 4th 1994
(815) 460 Joliet First Communications LLC landline and VOIP March 3rd 2001
(815) 461 Lockport Broadwing Communications landline and VOIP July 22nd 1999
(815) 462 New Lenox Ameritech Illinois landline and VOIP February 4th 1994
(815) 463 New Lenox Ameritech Illinois landline and VOIP October 15th 1996
(815) 464 Frankfort Ameritech Illinois landline and VOIP February 4th 1994
(815) 465 Grant Park Ameritech Illinois landline and VOIP February 4th 1994
(815) 466 Grant Park Ameritech Illinois landline and VOIP October 15th 1996
(815) 467 Minooka Ameritech Illinois landline and VOIP February 4th 1994
(815) 468 Manteno Ameritech Illinois landline and VOIP February 4th 1994
(815) 469 Frankfort Ameritech Illinois landline and VOIP February 4th 1994
(815) 470 Rockford Ameritech Illinois Winnebago landline and VOIP October 31st 2001
(815) 471 Watseka Illinois Valley Cellular Rsa 2-i Partnership Cell Number July 4th 1995
(815) 472 Momence Ameritech Illinois landline and VOIP February 4th 1994
(815) 473 Watseka Frontier Communications Of The Carolinas, Inc landline and VOIP February 4th 1994
(815) 474 Joliet New Cingular Wireless PCS Cell Number February 4th 1994
(815) 475 Yorkville Ameritech Illinois Kendall landline and VOIP February 4th 1994
(815) 476 Wilmington Ameritech Illinois landline and VOIP February 4th 1994
(815) 477 Crystal Lake Ameritech Illinois landline and VOIP February 4th 1994
(815) 478 Manhattan Ameritech Illinois landline and VOIP February 4th 1994
(815) 479 Crystal Lake Ameritech Illinois landline and VOIP January 11th 1997
(815) 480 Rockford Usa Mobility Wireless Winnebago Cell Number March 22nd 2001
(815) 481 La Grange Park Illinois Valley Cellular Rsa 2-i Partnership Cell Number May 10th 1999
(815) 482 Woodstock Sprint Spectrum L.p. Cell Number July 1st 1996
(815) 483 Joliet Sprint Spectrum L.p. Cell Number November 20th 1998
(815) 484 Rockford Ameritech Illinois Winnebago landline and VOIP November 20th 1998
(815) 485 New Lenox Ameritech Illinois landline and VOIP February 4th 1994
(815) 486 Donovan Frontier North landline and VOIP February 4th 1994
(815) 487 Plainfield First Communications LLC landline and VOIP March 3rd 2001
(815) 488 La Grange Park Illinois Valley Cellular Rsa 2-i Partnership Cell Number February 4th 1994
(815) 489 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 490 Rockford Ameritech Illinois Winnebago landline and VOIP February 11th 1995
(815) 491 Rockford 365 Wireless Winnebago Cell Number March 13th 2013
(815) 492 Apple River Frontier North landline and VOIP February 4th 1994
(815) 493 Lanark Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 494 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number February 4th 1994
(815) 495 Leland Frontier North landline and VOIP February 4th 1994
(815) 496 Sheridan Frontier North landline and VOIP February 4th 1994
(815) 497 Compton Frontier North landline and VOIP February 4th 1994
(815) 498 Somonauk Frontier North landline and VOIP February 4th 1994
(815) 499 Sterling United States Cellular Corp. - Illinois Cell Number January 14th 2000
(815) 500 Marseilles Sprint Communications Company, L.p. landline and VOIP April 14th 2006
(815) 501 Dekalb Sprint Spectrum L.p. Cell Number June 30th 2001
(815) 502 Woodstock First Communications LLC landline and VOIP March 3rd 2001
(815) 503 Mendota Sprint Spectrum L.p. Cell Number March 3rd 2001
(815) 504 Gardner First Communications LLC landline and VOIP March 3rd 2001
(815) 505 Rockford T-mobile Usa Winnebago Cell Number June 30th 2001
(815) 506 Union Level 3 Communications landline and VOIP February 27th 2002
(815) 507 Momence Level 3 Communications landline and VOIP December 28th 2001
(815) 508 Dekalb New Cingular Wireless PCS Cell Number June 16th 2004
(815) 509 Rockford Sprint Spectrum L.p. Winnebago Cell Number March 3rd 2001
(815) 510 Streator Mediacom Telephony Of Illinois landline and VOIP January 8th 2010
(815) 512 Lockport First Communications LLC landline and VOIP March 3rd 2001
(815) 513 Morris Level 3 Communications landline and VOIP February 27th 2002
(815) 514 Joliet Sprint Spectrum L.p. Cell Number January 24th 2001
(815) 515 Watseka Level 3 Communications landline and VOIP February 4th 2002
(815) 516 Rockford Sprint Spectrum L.p. Winnebago landline and VOIP January 24th 2001
(815) 517 Dekalb Mci Worldcom Communications landline and VOIP June 28th 2004
(815) 518 Coal City First Communications LLC landline and VOIP October 23rd 2001
(815) 519 Rockford Sprint Spectrum L.p. Winnebago Cell Number July 22nd 1999
(815) 520 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number January 25th 1998
(815) 521 Minooka Ameritech Illinois landline and VOIP May 10th 1999
(815) 522 Kirkland Frontier North landline and VOIP February 4th 1994
(815) 523 Kankakee Teleport Communications America Kankakee landline and VOIP February 27th 1999
(815) 524 Lockport Teleport Communications America landline and VOIP February 27th 1999
(815) 525 Beloit Tds Metrocom Inc.-il landline and VOIP February 27th 1999
(815) 526 Crystal Lake Teleport Communications America landline and VOIP February 27th 1999
(815) 527 Woodstock Teleport Communications America landline and VOIP February 27th 1999
(815) 528 Mchenry Teleport Communications America landline and VOIP February 27th 1999
(815) 529 Woodstock Cellco Partnership DBA Verizon Wireless Cell Number October 13th 1999
(815) 530 Joliet Sprint Spectrum L.p. landline and VOIP February 27th 1999
(815) 531 Joliet Teleport Communications America landline and VOIP February 27th 1999
(815) 532 Morris Usa Mobility Wireless Cell Number February 4th 1994
(815) 533 La Grange Park Indiana Paging Ntwk Cell Number November 20th 1998
(815) 534 Frankfort Level 3 Communications landline and VOIP February 27th 1999
(815) 535 Sterling Ameritech Illinois landline and VOIP September 11th 1994
(815) 536 La Grange Park Usa Mobility Wireless Cell Number January 25th 1998
(815) 537 Prophetstown Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 538 Mendota Frontier North landline and VOIP February 4th 1994
(815) 539 Mendota Frontier North landline and VOIP February 4th 1994
(815) 540 Rockford Sprint Spectrum L.p. Winnebago Cell Number February 27th 1999
(815) 541 Freeport United States Cellular Corp. - Illinois Stephenson Cell Number January 14th 2000
(815) 542 Tampico Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 543 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number February 27th 1999
(815) 544 Belvidere Frontier North Boone landline and VOIP February 4th 1994
(815) 545 Joliet New Cingular Wireless PCS Cell Number September 11th 1994
(815) 546 Joliet New Cingular Wireless PCS Cell Number August 14th 1998
(815) 547 Belvidere Frontier North Boone landline and VOIP February 4th 1994
(815) 548 Sterling Ameritech Illinois landline and VOIP November 20th 1998
(815) 549 Kankakee Sprint Spectrum L.p. Kankakee Cell Number June 13th 2000
(815) 550 Grant Park Broadwing Communications landline and VOIP May 10th 1999
(815) 551 Savanna Essex Telcom landline and VOIP March 3rd 2001
(815) 552 Lockport Ameritech Illinois landline and VOIP April 10th 2001
(815) 553 Joliet Ovation Communications Of Illinois landline and VOIP April 10th 2001
(815) 554 East Dubuque Mediacom Telephony Of Illinois landline and VOIP March 27th 2005
(815) 556 Plainfield Broadwing Communications landline and VOIP April 10th 2001
(815) 557 Joliet Sprint Spectrum L.p. Cell Number July 22nd 1999
(815) 558 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number May 10th 1999
(815) 559 Fulton Essex Telcom landline and VOIP June 13th 2000
(815) 560 Harvard Sprint Spectrum L.p. landline and VOIP May 3rd 2002
(815) 561 Rochelle Frontier North landline and VOIP April 1st 1997
(815) 562 Rochelle Frontier North landline and VOIP February 4th 1994
(815) 563 Dakota Frontier North landline and VOIP February 4th 1994
(815) 564 Sterling Ameritech Illinois landline and VOIP July 22nd 1999
(815) 565 Morrison Mediacom Telephony Of Illinois landline and VOIP March 27th 2005
(815) 566 Belvidere Level 3 Communications Boone landline and VOIP June 21st 2002
(815) 567 Emington Frontier North landline and VOIP February 4th 1994
(815) 568 Marengo Ameritech Illinois landline and VOIP February 4th 1994
(815) 569 Capron Frontier North landline and VOIP February 4th 1994
(815) 570 Sandwich Level 3 Communications Dekalb landline and VOIP August 21st 2002
(815) 571 Shannon Mediacom Telephony Of Illinois landline and VOIP April 21st 2006
(815) 572 Marengo Broadwing Communications landline and VOIP June 13th 2000
(815) 573 Kankakee Level 3 Communications Kankakee landline and VOIP February 27th 2002
(815) 574 Harmon Essex Telcom landline and VOIP June 13th 2000
(815) 575 Woodstock New Cingular Wireless PCS Cell Number June 30th 2001
(815) 576 Polo Essex Telcom Ogle landline and VOIP June 13th 2000
(815) 577 Plainfield Ameritech Illinois landline and VOIP January 14th 2000
(815) 578 Mchenry Ameritech Illinois landline and VOIP January 14th 2000
(815) 579 La Salle Sprint Spectrum L.p. La Salle Cell Number January 14th 2000
(815) 580 Rockford AT&T; Local Winnebago landline and VOIP March 18th 2003
(815) 581 Spring Grove Comcast Phone Of Illinois DBA Comco landline and VOIP October 6th 2005
(815) 582 Joliet T-mobile Usa Cell Number October 6th 2005
(815) 583 Morrison Essex Telcom landline and VOIP June 13th 2000
(815) 584 Dwight Ameritech Illinois landline and VOIP February 4th 1994
(815) 585 Morris Level 3 Communications landline and VOIP May 3rd 2002
(815) 586 Ransom C-r Telephone Co. landline and VOIP February 4th 1994
(815) 587 Ottawa Level 3 Communications landline and VOIP April 2nd 2002
(815) 588 Lockport Ameritech Illinois landline and VOIP October 15th 1996
(815) 589 Fulton Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 590 Sterling Sprint Spectrum L.p. Cell Number July 14th 2003
(815) 591 Hanover Frontier North landline and VOIP February 4th 1994
(815) 592 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number February 4th 1994
(815) 593 Dekalb AT&T; Local landline and VOIP August 20th 2000
(815) 594 Apple River Frontier North landline and VOIP February 4th 1994
(815) 595 Oregon AT&T; Local landline and VOIP October 2nd 2003
(815) 596 Marengo Sbc Internet Services landline and VOIP February 10th 2006
(815) 597 Garden Prairie Frontier North landline and VOIP February 4th 1994
(815) 598 Elizabeth Frontier North landline and VOIP February 4th 1994
(815) 599 Freeport Frontier North Stephenson landline and VOIP July 22nd 1999
(815) 600 Joliet New Cingular Wireless PCS landline and VOIP July 14th 2003
(815) 601 Rockford Bitwise Communications Winnebago landline and VOIP October 30th 2003
(815) 602 Kankakee First Communications LLC Kankakee landline and VOIP March 3rd 2001
(815) 603 Kankakee T-mobile Usa Kankakee Cell Number September 28th 2001
(815) 604 Dixon Essex Telcom Lee landline and VOIP June 13th 2000
(815) 605 Grant Park Level 3 Communications landline and VOIP April 2nd 2002
(815) 606 Ottawa First Communications LLC landline and VOIP March 3rd 2001
(815) 607 Flanagan Bitwise Communications landline and VOIP November 16th 2004
(815) 608 Rockford T-mobile Usa Winnebago Cell Number September 30th 2002
(815) 609 Plainfield Ameritech Illinois landline and VOIP October 24th 2001
(815) 610 Cornell Bitwise Communications Livingston landline and VOIP November 16th 2004
(815) 612 Graymont Bitwise Communications landline and VOIP November 16th 2004
(815) 613 Mt Carroll Essex Telcom landline and VOIP March 3rd 2001
(815) 614 Kankakee Broadwing Communications Kankakee landline and VOIP December 6th 2001
(815) 615 Mendota Level 3 Communications landline and VOIP October 31st 2001
(815) 616 Freeport T-mobile Usa Stephenson Cell Number January 7th 2004
(815) 617 Ottawa AT&T; Local landline and VOIP June 30th 2001
(815) 618 Freeport New Cingular Wireless PCS Stephenson Cell Number December 21st 2006
(815) 619 Rockton Aero North Communications landline and VOIP May 27th 2003
(815) 620 Prophetstown Essex Telcom landline and VOIP June 13th 2000
(815) 621 Rockford Sprint Spectrum L.p. Winnebago Cell Number October 13th 1999
(815) 622 Sterling Ameritech Illinois landline and VOIP February 4th 1994
(815) 623 Roscoe Frontier North landline and VOIP February 4th 1994
(815) 624 Rockton Frontier North landline and VOIP February 4th 1994
(815) 625 Sterling Ameritech Illinois landline and VOIP February 4th 1994
(815) 626 Sterling Ameritech Illinois landline and VOIP February 4th 1994
(815) 627 Paw Paw Frontier North landline and VOIP February 4th 1994
(815) 628 West Brooklyn Frontier North landline and VOIP February 4th 1994
(815) 629 Durand Frontier North landline and VOIP February 4th 1994
(815) 630 Joliet T-mobile Usa Cell Number July 24th 2006
(815) 631 Sterling Ameritech Illinois landline and VOIP April 15th 1996
(815) 632 Sterling Ameritech Illinois landline and VOIP October 11th 1997
(815) 633 Loves Park Ameritech Illinois landline and VOIP February 4th 1994
(815) 634 Coal City Ameritech Illinois landline and VOIP February 4th 1994
(815) 635 Chatsworth Frontier North landline and VOIP February 4th 1994
(815) 636 Loves Park Ameritech Illinois landline and VOIP February 4th 1994
(815) 637 Loves Park Ameritech Illinois landline and VOIP February 4th 1994
(815) 638 La Moille Frontier North landline and VOIP February 4th 1994
(815) 639 Loves Park Ameritech Illinois landline and VOIP January 10th 1996
(815) 640 Ottawa Teleport Communications America landline and VOIP December 28th 2001
(815) 641 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number January 21st 2008
(815) 642 Minooka Broadwing Communications landline and VOIP October 13th 1999
(815) 643 Malden Frontier North landline and VOIP February 4th 1994
(815) 644 Crescent City Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 645 Stillman Valley Frontier North landline and VOIP February 4th 1994
(815) 646 Tiskilwa Frontier North landline and VOIP February 4th 1994
(815) 647 Cullom Mediacom Telephony Of Illinois landline and VOIP March 27th 2005
(815) 648 Hebron Frontier North landline and VOIP February 4th 1994
(815) 649 Gardner Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 650 Freeport AT&T; Local Stephenson landline and VOIP August 20th 2000
(815) 651 Joliet Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 652 Dixon Gallatin River Communications DBA Centurylink Lee landline and VOIP February 4th 1994
(815) 653 Wonder Lake Frontier North landline and VOIP February 4th 1994
(815) 654 Loves Park Ameritech Illinois landline and VOIP February 4th 1994
(815) 655 Milledgeville Essex Telcom Carroll landline and VOIP June 13th 2000
(815) 656 Freeport Level 3 Communications Stephenson landline and VOIP June 26th 2002
(815) 657 Forrest Ameritech Illinois landline and VOIP February 4th 1994
(815) 658 Lanark Essex Telcom landline and VOIP June 13th 2000
(815) 659 Hennepin Frontier North landline and VOIP February 4th 1994
(815) 660 Lockport Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 661 Morris Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 662 Momence Level 3 Communications landline and VOIP November 20th 1998
(815) 663 Spring Valley Frontier North landline and VOIP February 4th 1994
(815) 664 Spring Valley Frontier North landline and VOIP February 4th 1994
(815) 665 Ottawa Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 666 Joliet Cellco Partnership DBA Verizon Wireless Cell Number August 30th 2006
(815) 667 Utica Ameritech Illinois landline and VOIP February 4th 1994
(815) 668 Rockford Neutral Tandem-illinois Winnebago landline and VOIP April 2nd 2009
(815) 669 Mchenry Level 3 Communications landline and VOIP November 20th 1998
(815) 670 Rockford Sprint Spectrum L.p. Winnebago Cell Number June 30th 2001
(815) 671 Joliet Level 3 Communications landline and VOIP November 20th 1998
(815) 672 Streator Frontier North landline and VOIP February 4th 1994
(815) 673 Streator Frontier North landline and VOIP February 4th 1994
(815) 674 Streator New Cingular Wireless PCS Cell Number February 4th 1994
(815) 675 Spring Grove Frontier North landline and VOIP February 4th 1994
(815) 676 Plainfield Level 3 Communications landline and VOIP November 20th 1998
(815) 677 Elizabeth Cellco Partnership DBA Verizon Wireless landline and VOIP March 17th 2005
(815) 678 Richmond Frontier North landline and VOIP February 4th 1994
(815) 679 Mchenry Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 680 Manhattan Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 681 Rockford Cellco Partnership DBA Verizon Wireless Winnebago landline and VOIP July 30th 2010
(815) 682 Milford Frontier Communications Of The Carolinas, Inc landline and VOIP February 4th 1994
(815) 683 Crescent City Ameritech Illinois landline and VOIP February 4th 1994
(815) 684 Chadwick Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 685 Joliet New Cingular Wireless PCS Cell Number September 11th 1994
(815) 686 Piper City Frontier North landline and VOIP February 4th 1994
(815) 687 Woodstock Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 688 Strawn Frontier North landline and VOIP February 4th 1994
(815) 689 Cullom Frontier Communications Of Illinois landline and VOIP February 4th 1994
(815) 690 Joliet Sprint Spectrum L.p. Cell Number July 22nd 1999
(815) 691 Utica Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 692 Fairbury Frontier North landline and VOIP February 4th 1994
(815) 693 Joliet Sprint Spectrum L.p. Cell Number February 11th 1995
(815) 694 Clifton Frontier North landline and VOIP February 4th 1994
(815) 695 Newark Ameritech Illinois landline and VOIP February 4th 1994
(815) 696 Roscoe Aero North Communications landline and VOIP May 27th 2003
(815) 697 Chebanse Frontier North landline and VOIP February 4th 1994
(815) 698 Ashkum Frontier North landline and VOIP February 4th 1994
(815) 699 Wyanet Frontier North landline and VOIP February 4th 1994
(815) 701 Woodstock Level 3 Communications landline and VOIP April 2nd 2002
(815) 702 Saunemin Sprint Communications Company, L.p. landline and VOIP November 23rd 2004
(815) 703 Rockford Sprint Spectrum L.p. Winnebago Cell Number June 4th 2002
(815) 704 Beloit Mcleodusa Telecommunications Services- Il landline and VOIP February 23rd 2001
(815) 705 Morris Teleport Communications America landline and VOIP December 28th 2001
(815) 706 Lyndon Essex Telcom landline and VOIP June 13th 2000
(815) 707 Gilman Level 3 Communications landline and VOIP December 6th 2001
(815) 708 Rockford Comcast Phone Of Illinois DBA Comco Winnebago landline and VOIP June 23rd 2006
(815) 709 Coal City Level 3 Communications landline and VOIP December 28th 2001
(815) 710 Morris AT&T; Local landline and VOIP January 24th 2001
(815) 712 Harvard Sprint Spectrum L.p. Cell Number July 5th 2002
(815) 713 Rockford New Cingular Wireless PCS Winnebago landline and VOIP September 28th 2001
(815) 714 Joliet Sprint Communications Company, L.p. landline and VOIP June 30th 2001
(815) 715 Joliet New Cingular Wireless PCS Cell Number May 22nd 2001
(815) 716 Sterling Sprint Spectrum L.p. Cell Number October 31st 2001
(815) 717 New Lenox Broadwing Communications landline and VOIP June 30th 2001
(815) 718 Sterling United States Cellular Corp. - Illinois Cell Number October 22nd 2002
(815) 719 Princeton Sprint Spectrum L.p. Cell Number July 5th 2002
(815) 720 Rockford Ameritech Illinois Winnebago landline and VOIP July 4th 1995
(815) 721 Rockford AT&T; Local Winnebago landline and VOIP August 20th 2000
(815) 722 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 723 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 724 Joliet Ameritech Illinois landline and VOIP October 15th 1996
(815) 725 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 726 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 727 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 728 Wonder Lake Frontier North landline and VOIP February 4th 1994
(815) 729 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 730 Joliet Ameritech Illinois landline and VOIP October 15th 1996
(815) 731 Plainfield Ameritech Illinois landline and VOIP February 16th 2006
(815) 732 Oregon Frontier North landline and VOIP February 4th 1994
(815) 733 Plainfield Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 734 Mt Morris Frontier North landline and VOIP February 4th 1994
(815) 735 Joliet New Cingular Wireless PCS Cell Number February 4th 1994
(815) 736 Lisbon Ameritech Illinois landline and VOIP February 4th 1994
(815) 737 Capron Sharon Telephone Co. - Illinois landline and VOIP January 10th 1996
(815) 738 Leaf River Leaf River Telephone Co. landline and VOIP February 4th 1994
(815) 739 Sycamore Sprint Spectrum L.p. Cell Number February 11th 1995
(815) 740 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 741 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 742 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number July 4th 1995
(815) 743 Graymont Frontier Communications Of Prairie landline and VOIP February 4th 1994
(815) 744 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 745 Warren Frontier North landline and VOIP February 4th 1994
(815) 746 Marseilles Marseilles Telephone Co. Of Marseilles landline and VOIP May 13th 2008
(815) 747 East Dubuque Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 748 Dekalb Frontier North landline and VOIP February 4th 1994
(815) 749 Rockford Answer America DBA Answer Usa Winnebago Cell Number January 10th 1996
(815) 750 Marseilles Mtco Communications landline and VOIP January 23rd 2003
(815) 751 Dekalb Cellco Partnership DBA Verizon Wireless Cell Number February 4th 1994
(815) 752 Dekalb Frontier North landline and VOIP February 4th 1994
(815) 753 Dekalb Frontier North landline and VOIP February 4th 1994
(815) 754 Dekalb Frontier North landline and VOIP February 4th 1994
(815) 755 Dekalb American Messaging (am) Cell Number April 10th 2002
(815) 756 Dekalb Frontier North landline and VOIP February 4th 1994
(815) 757 Dekalb United States Cellular Corp. - Illinois Cell Number February 4th 1994
(815) 758 Dekalb Frontier North landline and VOIP February 4th 1994
(815) 759 Mchenry Ameritech Illinois landline and VOIP February 4th 1994
(815) 760 Hennepin Cellco Partnership DBA Verizon Wireless Cell Number October 25th 2005
(815) 761 Dekalb Cellco Partnership DBA Verizon Wireless Cell Number January 10th 1996
(815) 762 Dekalb Cellco Partnership DBA Verizon Wireless Cell Number January 25th 1998
(815) 763 Rockford Answer America DBA Answer Usa Winnebago Cell Number May 18th 1998
(815) 764 Dekalb United States Cellular Corp. - Illinois Cell Number August 14th 1998
(815) 765 Poplar Grove Frontier North landline and VOIP February 4th 1994
(815) 766 Dekalb United States Cellular Corp. - Illinois Cell Number February 27th 1999
(815) 767 La Grange Park American Messaging (am) Cell Number April 16th 2001
(815) 768 Joliet Ameritech Illinois Cell Number August 20th 2000
(815) 769 Seneca Broadwing Communications landline and VOIP April 27th 2001
(815) 770 Harvard Charter Fiberlink - Illinois landline and VOIP February 13th 2006
(815) 771 Ashkum Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 772 Morrison Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 773 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 774 Joliet Ameritech Illinois landline and VOIP February 4th 1994
(815) 775 Woodstock Usa Mobility Wireless Cell Number July 4th 1995
(815) 776 Galena Ameritech Illinois Jo Daviess landline and VOIP July 22nd 1999
(815) 777 Galena Ameritech Illinois Jo Daviess landline and VOIP February 4th 1994
(815) 778 Lyndon Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 780 La Salle Broadwing Communications La Salle landline and VOIP August 22nd 2001
(815) 781 Chebanse Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 782 Plainfield Broadwing Communications landline and VOIP March 3rd 2001
(815) 783 Gilman Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 784 Genoa Frontier North landline and VOIP February 4th 1994
(815) 785 Watseka Rcn Telecom Services Of Illinois landline and VOIP July 22nd 1999
(815) 786 Sandwich Frontier North Dekalb landline and VOIP February 4th 1994
(815) 787 Dekalb Frontier North landline and VOIP May 18th 1998
(815) 788 Crystal Lake Ameritech Illinois landline and VOIP March 22nd 2001
(815) 789 Orangeville Frontier North landline and VOIP February 4th 1994
(815) 790 Woodstock Sprint Spectrum L.p. Cell Number June 30th 2001
(815) 791 Joliet Sprint Spectrum L.p. Cell Number July 24th 2001
(815) 792 Harding Ameritech Illinois landline and VOIP February 4th 1994
(815) 793 Dekalb T-mobile Usa Cell Number June 25th 2001
(815) 794 Marseilles Marseilles Telephone Co. Of Marseilles landline and VOIP October 15th 1996
(815) 795 Marseilles Marseilles Telephone Co. Of Marseilles landline and VOIP February 4th 1994
(815) 796 Flanagan Frontier Communications Of Prairie landline and VOIP February 4th 1994
(815) 797 Somonauk Level 3 Communications landline and VOIP December 6th 2001
(815) 798 Milledgeville Essex Telcom Carroll landline and VOIP June 13th 2000
(815) 799 Sterling Level 3 Communications landline and VOIP February 13th 2002
(815) 800 Poplar Grove Mediacom Telephony Of Illinois landline and VOIP March 24th 2010
(815) 801 Freeport Aero North Communications Stephenson landline and VOIP March 3rd 2001
(815) 802 Kankakee Ameritech Illinois Kankakee landline and VOIP September 28th 2001
(815) 803 Byron Aero North Communications landline and VOIP March 22nd 2001
(815) 804 Pecatonica Aero North Communications landline and VOIP March 3rd 2001
(815) 805 Durand Aero North Communications landline and VOIP March 3rd 2001
(815) 806 Frankfort Ameritech Illinois landline and VOIP March 3rd 2001
(815) 807 German Valley Aero North Communications landline and VOIP March 3rd 2001
(815) 808 Winslow Aero North Communications landline and VOIP March 3rd 2001
(815) 809 Lena Aero North Communications landline and VOIP March 3rd 2001
(815) 810 Pearl City Aero North Communications landline and VOIP March 3rd 2001
(815) 812 Dakota Aero North Communications landline and VOIP March 3rd 2001
(815) 813 Apple River Aero North Communications landline and VOIP March 3rd 2001
(815) 814 Woodstock T-mobile Usa Cell Number April 27th 2001
(815) 816 Dakota Aero North Communications landline and VOIP March 3rd 2001
(815) 817 Hanover Aero North Communications landline and VOIP March 3rd 2001
(815) 818 Warren Aero North Communications landline and VOIP March 3rd 2001
(815) 819 Orangeville Aero North Communications landline and VOIP March 3rd 2001
(815) 820 Elizabeth Aero North Communications landline and VOIP March 3rd 2001
(815) 821 Freeport United States Cellular Corp. - Illinois Stephenson landline and VOIP May 22nd 2001
(815) 822 Streator New Cingular Wireless PCS Cell Number April 27th 2001
(815) 823 Joliet Xo Illinois landline and VOIP February 27th 1999
(815) 824 Shabbona Frontier North landline and VOIP February 4th 1994
(815) 825 Malta Frontier North landline and VOIP February 4th 1994
(815) 826 Somonauk Cellco Partnership DBA Verizon Wireless Cell Number May 12th 2004
(815) 827 Maple Park Frontier North landline and VOIP February 4th 1994
(815) 828 Minooka Xo Illinois landline and VOIP August 22nd 2001
(815) 829 Chadwick Essex Telcom landline and VOIP June 13th 2000
(815) 830 Oglesby New Cingular Wireless PCS Cell Number September 11th 1994
(815) 831 Davis Aero North Communications landline and VOIP March 3rd 2001
(815) 832 Saunemin Frontier Communications Of Illinois landline and VOIP February 4th 1994
(815) 833 Mc Connell Aero North Communications landline and VOIP March 3rd 2001
(815) 834 Lockport Ameritech Illinois landline and VOIP February 4th 1994
(815) 835 Dixon Essex Telcom Lee landline and VOIP June 13th 2000
(815) 836 Lockport Ameritech Illinois landline and VOIP February 4th 1994
(815) 837 Forreston Aero North Communications landline and VOIP March 3rd 2001
(815) 838 Lockport Ameritech Illinois landline and VOIP February 4th 1994
(815) 839 Kankakee Xo Illinois Kankakee landline and VOIP June 30th 2001
(815) 840 Stockton Aero North Communications landline and VOIP March 3rd 2001
(815) 841 Mt Morris Essex Telcom landline and VOIP June 13th 2000
(815) 842 Pontiac Frontier North landline and VOIP February 4th 1994
(815) 843 Ashton Essex Telcom landline and VOIP June 13th 2000
(815) 844 Pontiac Frontier North landline and VOIP February 4th 1994
(815) 845 Scales Mound Frontier North landline and VOIP February 4th 1994
(815) 846 Joliet Broadwing Communications landline and VOIP October 11th 1997
(815) 847 Rockford Sbc Internet Services Winnebago landline and VOIP April 18th 2005
(815) 848 Pontiac Illinois Valley Cellular Rsa 2-i Partnership Cell Number February 4th 1994
(815) 849 Sublette Frontier North landline and VOIP February 4th 1994
(815) 850 Pecatonica Aero North Communications landline and VOIP March 3rd 2001
(815) 851 Kankakee Usa Mobility Wireless Kankakee Cell Number September 11th 1994
(815) 852 Scales Mound Aero North Communications landline and VOIP March 3rd 2001
(815) 853 Wenona Frontier North landline and VOIP February 4th 1994
(815) 854 Long Point Frontier North landline and VOIP February 4th 1994
(815) 855 Milledgeville Mediacom Telephony Of Illinois Carroll landline and VOIP April 21st 2006
(815) 856 Tonica Leonore Mutual Telephone Co. landline and VOIP February 4th 1994
(815) 857 Amboy Frontier North landline and VOIP February 4th 1994
(815) 858 Elizabeth Frontier North landline and VOIP February 4th 1994
(815) 859 Rock Falls Essex Telcom landline and VOIP June 13th 2000
(815) 860 Elwood Teleport Communications America landline and VOIP March 5th 2010
(815) 861 Woodstock New Cingular Wireless PCS Cell Number July 4th 1995
(815) 862 Harvard Charter Fiberlink - Illinois landline and VOIP November 18th 2008
(815) 863 Rutland Frontier North landline and VOIP February 4th 1994
(815) 864 Shannon Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 865 Davis Frontier North landline and VOIP February 4th 1994
(815) 866 Princeton Illinois Valley Cellular Rsa 2-i Partnership Cell Number February 4th 1994
(815) 867 Pontiac Sprint Spectrum L.p. Cell Number April 27th 2001
(815) 868 Mc Connell Frontier North landline and VOIP February 4th 1994
(815) 869 Magnolia Frontier North landline and VOIP February 4th 1994
(815) 870 Rockford Usa Mobility Wireless Winnebago Cell Number July 4th 1995
(815) 871 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number January 10th 1996
(815) 872 Princeton Frontier North landline and VOIP February 4th 1994
(815) 873 New Milford Frontier North landline and VOIP April 1st 1997
(815) 874 New Milford Frontier North landline and VOIP February 4th 1994
(815) 875 Princeton Frontier North landline and VOIP February 4th 1994
(815) 876 Princeton Frontier North landline and VOIP October 11th 1997
(815) 877 Loves Park Ameritech Illinois landline and VOIP February 4th 1994
(815) 878 Princeton New Cingular Wireless PCS Cell Number February 4th 1994
(815) 879 Princeton Frontier North landline and VOIP February 4th 1994
(815) 880 Woodstock Xo Illinois landline and VOIP January 24th 2001
(815) 881 Oregon Essex Telcom landline and VOIP June 13th 2000
(815) 882 Mc Nabb Mcnabb Telephone Co. landline and VOIP February 4th 1994
(815) 883 Oglesby Ameritech Illinois landline and VOIP February 4th 1994
(815) 884 Harvard Mediacom Telephony Of Illinois landline and VOIP March 23rd 2010
(815) 885 Caledonia Frontier North landline and VOIP February 4th 1994
(815) 886 Romeoville Ameritech Illinois landline and VOIP February 4th 1994
(815) 887 Harvard Teleport Communications America landline and VOIP May 3rd 2002
(815) 888 Rochelle Level 3 Communications landline and VOIP November 27th 2006
(815) 889 Milford Frontier Communications Of The Carolinas, Inc landline and VOIP February 4th 1994
(815) 890 New Milford Aero North Communications landline and VOIP May 27th 2003
(815) 891 Winnebago Aero North Communications landline and VOIP June 25th 2001
(815) 892 Shannon Essex Telcom landline and VOIP June 13th 2000
(815) 893 Crystal Lake Comcast Phone Of Illinois DBA Comco landline and VOIP December 30th 2004
(815) 894 Ladd Frontier North landline and VOIP February 4th 1994
(815) 895 Sycamore Frontier North landline and VOIP February 4th 1994
(815) 896 Durand Aero North Communications landline and VOIP July 24th 2001
(815) 897 Lyndon Mediacom Telephony Of Illinois landline and VOIP June 1st 2006
(815) 898 Elizabeth Aero North Communications landline and VOIP February 23rd 2001
(815) 899 Sycamore Frontier North landline and VOIP February 4th 1994
(815) 900 Amboy Cricket Communications landline and VOIP August 4th 2010
(815) 901 Dekalb Comcast Phone Of Illinois DBA Comco landline and VOIP February 14th 2005
(815) 902 Lyndon Mediacom Telephony Of Illinois landline and VOIP March 27th 2005
(815) 903 Mchenry American Messaging (am) Cell Number February 27th 2002
(815) 904 Rockford New Cingular Wireless PCS Winnebago Cell Number August 31st 2006
(815) 905 Lockport Level 3 Communications landline and VOIP February 27th 2002
(815) 906 Mt Carroll Mediacom Telephony Of Illinois landline and VOIP April 21st 2006
(815) 907 Manteno Broadwing Communications landline and VOIP December 6th 2001
(815) 908 Freeport Sprint Communications Company, L.p. Stephenson Cell Number September 30th 2002
(815) 909 Dekalb T-mobile Usa landline and VOIP October 31st 2001
(815) 910 Mendota Illinois Valley Cellular Rsa 2-i Partnership Cell Number June 25th 2001
(815) 912 Belvidere Aero North Communications Boone landline and VOIP September 28th 2001
(815) 913 Joliet Sprint Communications Company, L.p. landline and VOIP April 21st 2006
(815) 914 Rockford Sprint Spectrum L.p. Winnebago Cell Number June 30th 2001
(815) 915 Coal City Level 3 Communications landline and VOIP December 28th 2001
(815) 916 Minooka Broadvox-clec Cell Number October 13th 2005
(815) 917 Rochelle Essex Telcom landline and VOIP June 13th 2000
(815) 918 Clifton Level 3 Communications landline and VOIP August 22nd 2001
(815) 919 Joliet T-mobile Usa Cell Number February 23rd 2001
(815) 920 Cornell Mediacom Telephony Of Illinois Livingston landline and VOIP June 1st 2006
(815) 921 Rockford Ameritech Illinois Winnebago landline and VOIP April 27th 2001
(815) 922 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number February 4th 1994
(815) 923 Union Ameritech Illinois landline and VOIP February 4th 1994
(815) 924 Prophetstown Essex Telcom landline and VOIP June 13th 2000
(815) 925 Hennepin Frontier North landline and VOIP February 4th 1994
(815) 926 Wilmington Broadwing Communications landline and VOIP May 22nd 2001
(815) 927 Joliet Broadwing Communications landline and VOIP October 13th 1999
(815) 928 Kankakee Ameritech Illinois Kankakee landline and VOIP February 4th 1994
(815) 929 Kankakee Ameritech Illinois Kankakee landline and VOIP July 6th 1997
(815) 930 Elizabeth Mediacom Telephony Of Illinois landline and VOIP March 27th 2005
(815) 931 Joliet New Cingular Wireless PCS Cell Number July 4th 1995
(815) 932 Kankakee Ameritech Illinois Kankakee landline and VOIP February 4th 1994
(815) 933 Kankakee Ameritech Illinois Kankakee landline and VOIP February 4th 1994
(815) 934 Emington Frontier North landline and VOIP February 4th 1994
(815) 935 Kankakee Ameritech Illinois Kankakee landline and VOIP February 4th 1994
(815) 936 Kankakee Ameritech Illinois Kankakee landline and VOIP February 4th 1994
(815) 937 Kankakee Ameritech Illinois Kankakee landline and VOIP February 4th 1994
(815) 938 Forreston Frontier North landline and VOIP February 4th 1994
(815) 939 Kankakee Ameritech Illinois Kankakee landline and VOIP February 4th 1994
(815) 940 Gardner Level 3 Communications landline and VOIP May 3rd 2002
(815) 941 Morris Ameritech Illinois landline and VOIP February 4th 1994
(815) 942 Morris Ameritech Illinois landline and VOIP February 4th 1994
(815) 943 Harvard Ameritech Illinois landline and VOIP February 4th 1994
(815) 944 Saint Anne Ameritech Illinois landline and VOIP February 4th 1994
(815) 945 Chenoa Frontier North landline and VOIP February 4th 1994
(815) 946 Polo Citizens Telecom Co Illinois-frontier Citizens -il Ogle landline and VOIP February 4th 1994
(815) 947 Stockton Frontier North landline and VOIP February 4th 1994
(815) 948 Prophetstown Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP February 4th 1994
(815) 949 Cabery Frontier North landline and VOIP February 4th 1994
(815) 951 Amboy Essex Telcom landline and VOIP June 13th 2000
(815) 952 Lanark Aero North Communications landline and VOIP July 18th 2006
(815) 953 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number February 4th 1994
(815) 954 Kankakee Cellco Partnership DBA Verizon Wireless Kankakee Cell Number February 11th 1995
(815) 955 Joliet Sprint Spectrum L.p. Cell Number July 5th 2002
(815) 956 Morrison Citizens Telecom Co Illinois-frontier Citizens -il landline and VOIP June 1st 2006
(815) 957 Rockton Level 3 Communications landline and VOIP February 22nd 2005
(815) 960 Leaf River North County Communications Corp. - CA landline and VOIP June 4th 2002
(815) 961 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 962 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 963 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 964 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 965 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 966 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 967 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 968 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 969 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 970 Sycamore Sprint Spectrum L.p. Cell Number July 5th 2002
(815) 971 Rockford Ameritech Illinois Winnebago landline and VOIP April 15th 1996
(815) 972 Rockford Ameritech Illinois Winnebago landline and VOIP July 1st 1996
(815) 973 Dixon United States Cellular Corp. - Illinois Lee Cell Number January 14th 2000
(815) 974 Tampico Essex Telcom landline and VOIP June 13th 2000
(815) 975 Belvidere New Cingular Wireless PCS Boone Cell Number September 3rd 2002
(815) 977 Rockford Mci Worldcom Communications Winnebago landline and VOIP June 25th 2003
(815) 978 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number July 4th 1995
(815) 979 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number April 1st 1997
(815) 980 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number June 15th 2006
(815) 981 Ottawa Level 3 Communications landline and VOIP September 30th 2002
(815) 982 Tampico Essex Telcom landline and VOIP June 13th 2000
(815) 983 Rockford American Messaging (am) Winnebago Cell Number February 4th 1994
(815) 984 Wellington Frontier Communications Of The Carolinas, Inc landline and VOIP February 4th 1994
(815) 985 Rockford Cellco Partnership DBA Verizon Wireless Winnebago Cell Number February 4th 1994
(815) 986 Rockford Us Xchange Of Illinois LLC DBA Choice One Comm Il Winnebago Cell Number February 27th 1999
(815) 987 Rockford Ameritech Illinois Winnebago landline and VOIP February 4th 1994
(815) 988 Rockford United States Cellular Corp. - Illinois Winnebago Cell Number February 4th 1994
(815) 989 Prophetstown Mediacom Telephony Of Illinois landline and VOIP July 29th 2005
(815) 990 Freeport Cellco Partnership DBA Verizon Wireless Stephenson Cell Number October 22nd 2002
(815) 991 Sycamore Essex Telcom landline and VOIP June 13th 2000
(815) 992 Streator Sprint Spectrum L.p. Cell Number April 21st 2005
(815) 993 Oglesby New Cingular Wireless PCS Cell Number September 22nd 2006
(815) 994 Dixon Sprint Spectrum L.p. Lee Cell Number April 14th 2003
(815) 995 Dekalb Teleport Communications America landline and VOIP June 10th 2009
(815) 996 Savanna Sprint Spectrum L.p. Cell Number July 18th 2006
(815) 997 Rockford Mcleodusa Telecommunications Services- Il Winnebago landline and VOIP March 26th 2003
(815) 998 Odell Frontier North landline and VOIP February 4th 1994
(815) 999 Joliet Sprint Spectrum L.p. landline and VOIP November 11th 2003

Cities With coverage

CITY LIST
Amboy
Apple River
Ashkum
Ashton
Beaverville
Beloit
Belvidere
Braidwood
Byron
Cabery
Caledonia
Capron
Chadwick
Chatsworth
Chebanse
Chenoa
Cherry Valley
Chicago
Cissna Park
Clifton
Coal City
Compton
Cornell
Crescent City
Crystal Lake
Cullom
Dakota
Danforth
Davis
Dekalb
Dixon
Donovan
Durand
Dwight
Earlville
East Dubuque
Elizabeth
Elwood
Emington
Fairbury
Flanagan
Forrest
Forreston
Frankfort
Franklin Grove
Freeport
Fulton
Galena
Garden Prairie
Gardner
Genoa
German Valley
Gilman
Grand Ridge
Grant Park
Granville
Graymont
Hanover
Harding
Harmon
Harvard
Hebron
Hennepin
Herscher
Hinckley
Joliet
Kankakee
Kempton
Kinsman
Kirkland
La Grange Park
La Moille
La Salle
Ladd
Lanark
Leaf River
Leland
Lena
Lisbon
Lockport
Long Point
Lostant
Loves Park
Lyndon
Magnolia
Malden
Malta
Manhattan
Manteno
Maple Park
Marengo
Marseilles
Martinton
Mazon
Mc Connell
Mc Nabb
Mchenry
Mendota
Milford
Milledgeville
Minooka
Momence
Monroe Center
Morris
Morrison
Mt Carroll
Mt Morris
New Lenox
New Milford
Newark
Northbrook
Odell
Oglesby
Ohio
Onarga
Orangeville
Oregon
Ottawa
Paw Paw
Pearl City
Pecatonica
Piper City
Plainfield
Polo
Pontiac
Poplar Grove
Princeton
Prophetstown
Putnam
Ransom
Reddick
Richmond
Rochelle
Rock Falls
Rockford
Rockton
Romeoville
Roscoe
Rutland
Saint Anne
Sandwich
Saunemin
Savanna
Scales Mound
Seneca
Shabbona
Shannon
Sheffield
Sheldon
Sheridan
Somonauk
South Beloit
Spring Grove
Spring Valley
St Anne
Stelle
Sterling
Steward
Stillman Valley
Stockton
Strawn
Streator
Sublette
Sycamore
Tampico
Thomson
Tiskilwa
Toluca
Tonica
Union
Utica
Verona
Walnut
Warren
Waterman
Watseka
Wellington
Wenona
West Brooklyn
Wilmington
Winnebago
Winslow
Wonder Lake
Woodstock
Wyanet
Yorkville

Recently Unidentified numbers

815 area code numbers that might be spam, scams or that people have reported as unidentified callers

815-480-7583
815-448-1279
815-346-3711
815-450-1189
815-295-9881
815-388-1341
815-859-3448
815-771-5320
815-298-9922
815-819-4700
815-103-9440
815-354-4855
815-343-7474
815-457-6815
815-532-1213
815-344-6201
815-674-1454
815-675-7560
815-468-6053
815-961-4795

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