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  2. Area code 303

Area Code 303 Information and Location Details

The 303 area code is located in Denver, Colorado including Aurora, Golden and was originally put into service on February 4th 1994. Find whose number this is.

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Country

United States of America

State

Colorado

Largest City

Denver

Timezone

Mountain

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303 Area Code Prefixes Directory

If you know the complete number you’re looking up, please use the Phone Number Search above. Or to explore prefixes in different coverage areas, please use the tables below.

Teleport Communications America
Carrier

Coverage Area
Counties: Denver, Adams, , Boulder
Cities: Denver, Brighton, Aurora, Longmont

(303) 200
(303) 248
(303) 253
(303) 256
(303) 264
(303) 354
(303) 362
(303) 374
(303) 379
(303) 474
(303) 479
(303) 484
(303) 524
(303) 537
(303) 568
(303) 583
(303) 593
(303) 600
(303) 632
(303) 723
(303) 728
(303) 736
(303) 749
(303) 824
(303) 845
(303) 927
(303) 942

Usa Mobility Wireless
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 201
(303) 206
(303) 207
(303) 208
(303) 213
(303) 230
(303) 240
(303) 251
(303) 266
(303) 461
(303) 490
(303) 491
(303) 529
(303) 540
(303) 553
(303) 560
(303) 599
(303) 609
(303) 610
(303) 612
(303) 613
(303) 616
(303) 686
(303) 687
(303) 760
(303) 821
(303) 826
(303) 851
(303) 852
(303) 855
(303) 878
(303) 879
(303) 890
(303) 891
(303) 897

Qwest Corp.
Carrier

Coverage Area
Counties: Denver, , Douglas, Boulder, Clear Creek, Adams, Larimer, Weld
Cities: Denver, Golden, Aurora, Littleton, Longmont, Hudson, Idaho Springs, Brighton, Sedalia, Keenesburg, Allenspark, Lyons, Fort Lupton

(303) 202
(303) 205
(303) 215
(303) 216
(303) 220
(303) 221
(303) 224
(303) 227
(303) 231
(303) 232
(303) 233
(303) 234
(303) 235
(303) 236
(303) 237
(303) 238
(303) 239
(303) 244
(303) 245
(303) 247
(303) 252
(303) 254
(303) 255
(303) 258
(303) 260
(303) 261
(303) 265
(303) 267
(303) 269
(303) 270
(303) 271
(303) 272
(303) 273
(303) 274
(303) 275
(303) 277
(303) 278
(303) 279
(303) 280
(303) 281
(303) 282
(303) 283
(303) 286
(303) 287
(303) 288
(303) 289
(303) 290
(303) 291
(303) 292
(303) 293
(303) 294
(303) 295
(303) 296
(303) 297
(303) 298
(303) 299
(303) 300
(303) 306
(303) 307
(303) 308
(303) 312
(303) 313
(303) 314
(303) 315
(303) 316
(303) 317
(303) 318
(303) 320
(303) 321
(303) 322
(303) 326
(303) 329
(303) 331
(303) 333
(303) 336
(303) 337
(303) 338
(303) 340
(303) 341
(303) 342
(303) 343
(303) 344
(303) 346
(303) 347
(303) 348
(303) 352
(303) 355
(303) 360
(303) 361
(303) 363
(303) 364
(303) 365
(303) 366
(303) 367
(303) 368
(303) 369
(303) 370
(303) 371
(303) 372
(303) 373
(303) 375
(303) 377
(303) 380
(303) 382
(303) 383
(303) 384
(303) 388
(303) 389
(303) 391
(303) 393
(303) 394
(303) 397
(303) 398
(303) 399
(303) 400
(303) 401
(303) 402
(303) 403
(303) 404
(303) 405
(303) 410
(303) 412
(303) 413
(303) 415
(303) 417
(303) 420
(303) 421
(303) 422
(303) 423
(303) 424
(303) 425
(303) 426
(303) 427
(303) 428
(303) 429
(303) 430
(303) 431
(303) 432
(303) 433
(303) 436
(303) 438
(303) 439
(303) 440
(303) 441
(303) 442
(303) 443
(303) 444
(303) 445
(303) 446
(303) 447
(303) 448
(303) 449
(303) 450
(303) 451
(303) 452
(303) 453
(303) 454
(303) 455
(303) 456
(303) 457
(303) 458
(303) 459
(303) 460
(303) 462
(303) 463
(303) 464
(303) 465
(303) 466
(303) 467
(303) 469
(303) 470
(303) 471
(303) 473
(303) 477
(303) 480
(303) 485
(303) 486
(303) 487
(303) 488
(303) 492
(303) 494
(303) 497
(303) 499
(303) 504
(303) 512
(303) 516
(303) 526
(303) 527
(303) 530
(303) 533
(303) 534
(303) 536
(303) 538
(303) 541
(303) 543
(303) 544
(303) 545
(303) 546
(303) 554
(303) 556
(303) 561
(303) 567
(303) 569
(303) 571
(303) 572
(303) 573
(303) 574
(303) 575
(303) 576
(303) 581
(303) 582
(303) 584
(303) 585
(303) 592
(303) 595
(303) 602
(303) 603
(303) 604
(303) 605
(303) 606
(303) 607
(303) 608
(303) 614
(303) 615
(303) 617
(303) 620
(303) 621
(303) 623
(303) 624
(303) 626
(303) 627
(303) 628
(303) 629
(303) 630
(303) 633
(303) 634
(303) 635
(303) 636
(303) 637
(303) 639
(303) 640
(303) 642
(303) 643
(303) 645
(303) 646
(303) 647
(303) 648
(303) 649
(303) 650
(303) 651
(303) 652
(303) 654
(303) 655
(303) 657
(303) 658
(303) 659
(303) 660
(303) 661
(303) 662
(303) 663
(303) 664
(303) 665
(303) 666
(303) 670
(303) 671
(303) 672
(303) 673
(303) 674
(303) 675
(303) 676
(303) 677
(303) 678
(303) 679
(303) 680
(303) 681
(303) 682
(303) 683
(303) 684
(303) 685
(303) 688
(303) 689
(303) 690
(303) 691
(303) 692
(303) 693
(303) 694
(303) 695
(303) 696
(303) 697
(303) 698
(303) 699
(303) 702
(303) 703
(303) 705
(303) 706
(303) 707
(303) 708
(303) 712
(303) 713
(303) 714
(303) 715
(303) 716
(303) 721
(303) 722
(303) 724
(303) 727
(303) 730
(303) 732
(303) 733
(303) 734
(303) 735
(303) 737
(303) 738
(303) 739
(303) 740
(303) 741
(303) 742
(303) 743
(303) 744
(303) 745
(303) 747
(303) 750
(303) 751
(303) 752
(303) 753
(303) 754
(303) 755
(303) 756
(303) 757
(303) 758
(303) 759
(303) 761
(303) 762
(303) 763
(303) 764
(303) 765
(303) 766
(303) 768
(303) 770
(303) 771
(303) 772
(303) 773
(303) 774
(303) 776
(303) 777
(303) 778
(303) 779
(303) 780
(303) 781
(303) 782
(303) 783
(303) 784
(303) 786
(303) 787
(303) 788
(303) 789
(303) 790
(303) 791
(303) 792
(303) 793
(303) 794
(303) 795
(303) 796
(303) 797
(303) 798
(303) 799
(303) 804
(303) 805
(303) 806
(303) 812
(303) 813
(303) 814
(303) 816
(303) 820
(303) 823
(303) 825
(303) 828
(303) 830
(303) 831
(303) 832
(303) 833
(303) 837
(303) 838
(303) 839
(303) 840
(303) 841
(303) 843
(303) 844
(303) 846
(303) 850
(303) 853
(303) 857
(303) 858
(303) 860
(303) 861
(303) 863
(303) 864
(303) 866
(303) 869
(303) 871
(303) 873
(303) 889
(303) 892
(303) 893
(303) 894
(303) 896
(303) 899
(303) 904
(303) 914
(303) 920
(303) 922
(303) 924
(303) 925
(303) 926
(303) 930
(303) 932
(303) 933
(303) 934
(303) 935
(303) 936
(303) 937
(303) 938
(303) 939
(303) 940
(303) 948
(303) 964
(303) 965
(303) 966
(303) 967
(303) 969
(303) 971
(303) 972
(303) 973
(303) 975
(303) 977
(303) 978
(303) 979
(303) 980
(303) 982
(303) 984
(303) 985
(303) 986
(303) 987
(303) 988
(303) 989
(303) 992
(303) 998

American Messaging (am)
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 203
(303) 259
(303) 508
(303) 509
(303) 510
(303) 528
(303) 559
(303) 580

Cellco Partnership DBA Verizon Wireless
Carrier

Coverage Area
Counties: Denver, Weld, Boulder
Cities: Denver, Fort Lupton, Longmont

(303) 204
(303) 229
(303) 241
(303) 263
(303) 335
(303) 349
(303) 358
(303) 489
(303) 501
(303) 502
(303) 503
(303) 514
(303) 518
(303) 519
(303) 548
(303) 549
(303) 550
(303) 579
(303) 594
(303) 709
(303) 710
(303) 718
(303) 720
(303) 726
(303) 746
(303) 775
(303) 817
(303) 818
(303) 819
(303) 829
(303) 834
(303) 842
(303) 859
(303) 868
(303) 870
(303) 877
(303) 880
(303) 895
(303) 902
(303) 903
(303) 905
(303) 906
(303) 907
(303) 908
(303) 909
(303) 910
(303) 912
(303) 913
(303) 915
(303) 916
(303) 917
(303) 918
(303) 919
(303) 921
(303) 929
(303) 941
(303) 947
(303) 981

Mcimetro Access Transmission Services LLC
Carrier

Coverage Area
Counties: Denver, , Adams
Cities: Denver, Aurora, Brighton, Louisville

(303) 209
(303) 214
(303) 217
(303) 218
(303) 219
(303) 222
(303) 242
(303) 305
(303) 323
(303) 328
(303) 334
(303) 357
(303) 390
(303) 476
(303) 481
(303) 495
(303) 531
(303) 542
(303) 551
(303) 566
(303) 704
(303) 729
(303) 801
(303) 876
(303) 928
(303) 968

Sprint Spectrum
Carrier

Coverage Area
Counties: Denver, Weld
Cities: Denver, Fort Lupton

(303) 210
(303) 246
(303) 257
(303) 356
(303) 419
(303) 434
(303) 435
(303) 437
(303) 472
(303) 505
(303) 507
(303) 520
(303) 521
(303) 522
(303) 525
(303) 587
(303) 591
(303) 596
(303) 598
(303) 641
(303) 725
(303) 901
(303) 944
(303) 946
(303) 949
(303) 961
(303) 990
(303) 994
(303) 995

Contact Paging Of Colorado
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 212
(303) 310
(303) 392
(303) 767

Global Crossing Local Services-co
Carrier

Coverage Area
Counties: Denver, , Adams
Cities: Denver, Aurora, Brighton

(303) 223
(303) 225
(303) 309
(303) 395
(303) 416
(303) 482
(303) 547
(303) 552
(303) 557
(303) 558
(303) 562
(303) 955
(303) 957
(303) 974

Icg Telecom Group
Carrier

Coverage Area
Counties: Denver, , Boulder
Cities: Denver, Aurora, Longmont, Englewood

(303) 226
(303) 228
(303) 268
(303) 285
(303) 301
(303) 325
(303) 327
(303) 345
(303) 376
(303) 381
(303) 385
(303) 386
(303) 406
(303) 409
(303) 414
(303) 418
(303) 483
(303) 493
(303) 563
(303) 590
(303) 625
(303) 653
(303) 827
(303) 848
(303) 854
(303) 856
(303) 865
(303) 874
(303) 923
(303) 963

N.e. Colorado Cellular
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 243

New Cingular Wireless PCS
Carrier

Coverage Area
Counties: Denver, Weld
Cities: Denver, Fort Lupton

(303) 249
(303) 250
(303) 304
(303) 324
(303) 350
(303) 378
(303) 408
(303) 475
(303) 478
(303) 506
(303) 513
(303) 517
(303) 570
(303) 588
(303) 589
(303) 601
(303) 618
(303) 619
(303) 638
(303) 717
(303) 748
(303) 807
(303) 808
(303) 809
(303) 810
(303) 881
(303) 882
(303) 883
(303) 884
(303) 885
(303) 886
(303) 887
(303) 888
(303) 898
(303) 956

AT&T Local
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 262

Convergent Communications
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 276

Comcast Phone Of Colorado
Carrier

Coverage Area
Counties: Denver, Adams
Cities: Denver, Brighton

(303) 284
(303) 353
(303) 498
(303) 862
(303) 945
(303) 999

Xo Colorado
Carrier

Coverage Area
Counties: Denver,
Cities: Denver, Englewood

(303) 302
(303) 496
(303) 539
(303) 785
(303) 991

Elbert County Wireless
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 319

360networks (usa) Inc.
Carrier

Coverage Area
Counties: Denver,
Cities: Denver, Keenesburg

(303) 330
(303) 351
(303) 515

T-mobile Usa
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 332
(303) 359
(303) 523
(303) 564
(303) 667
(303) 668
(303) 669
(303) 875
(303) 931
(303) 960

Cbeyond Communications
Carrier

Coverage Area
Counties: Denver, Weld
Cities: Denver, Fort Lupton

(303) 339
(303) 407
(303) 468
(303) 535
(303) 565
(303) 962

Mcleodusa Telecommunications Services- Co
Carrier

Coverage Area
Counties: Denver, Boulder
Cities: Denver, Longmont

(303) 387
(303) 532

Live Wire Networks
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 396

Level 3 Communications
Carrier

Coverage Area
Counties: , Denver, Adams, Clear Creek
Cities: Hudson, Keenesburg, Aurora, Denver, Brighton, Idaho Springs

(303) 500
(303) 578
(303) 731
(303) 800
(303) 835
(303) 847
(303) 872
(303) 900
(303) 951
(303) 952
(303) 953
(303) 954

Eschelon Telecom Of Colorado
Carrier

Coverage Area
Counties: , Denver
Cities: Aurora, Denver

(303) 577
(303) 597
(303) 996

4dvision
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 586

Strasburg Telephone Co.
Carrier

Coverage Area
Cities: Strasburg

(303) 622

Eastern Slope Rural Telephone Association
Carrier

Coverage Area
Cities: Bennett

(303) 644

Big River Telephone Company - MO
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 656

Communications Unlimited
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 701
(303) 836

Ymax Communications Corp.
Carrier

Coverage Area
Cities: Deer Trail

(303) 719

Bijou Telephone Cooperative Association
Carrier

Coverage Area
Cities: Deer Trail, Byers

(303) 769
(303) 822

Tw Telecom Of Colorado LLC
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 802
(303) 803

Interlink Adv Svc D/b/a Forethought.net
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 815

Roggen Telephone Cooperative Co.
Carrier

Coverage Area
Cities: Roggen

(303) 849

Iloka DBA Newcloud Networks
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 867

Neutral Tandem-colorado
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 993

Pac - West Telecomm
Carrier

Coverage Area
Counties: Denver
Cities: Denver

(303) 997
The 303 area code is located in Denver, Colorado including Aurora, Golden and was originally put into service on February 4th 1994. Find whose number this is.

Recently Reported Numbers

(303) 550-6424Unknown

Name on caller ID is displayed as " FISHER" no message is left.

(303) 848-3039Dangerous

Called at 8:00 AM this morning. Good thing I could not get to the phone. At least I can block this number but they will just call from another number.

(303) 406-2245Unknown

left no message.

(303) 513-4748Unknown

When I answered nobody was there.

(303) 228-4840Unknown

Keep getting calls from this # and no messages left. My call blocking app is not blocking this #.

(303) 794-7878Dangerous

Spoofed number calling our business. Left a voice mail stating it was Apple support and there was some problem with an Apple device and press 1 to talk to a rep. We have no Apple devices at this business. SCAM.

(303) 369-9748Unknown

I have no idea who this is.

(303) 800-0351Neutral

It was a politely survey about your feelings, mostly about candidates in Colorado but also for President.

(303) 932-1024Unknown

This number keeps calling me

(303) 502-1279Unknown

Got a call from this number. No message left.

Recently Searched Numbers

No additional information reported for these searched numbers. Received a call from any phone number listed below? Please consider helping the community by reporting your experience.

303-360-3708
ReportQwest Corp.
303-465-7379
ReportQwest Corp.
303-262-4026
ReportAT&T Local
303-330-3859
Report360networks (usa) Inc.
303-595-2822
ReportQwest Corp.
303-213-6863
ReportUsa Mobility Wireless
303-223-5110
ReportGlobal Crossing Local Services-co
303-308-4306
ReportQwest Corp.
303-753-2596
ReportQwest Corp.
303-662-6348
ReportQwest Corp.
303-982-1301
ReportQwest Corp.
303-914-5866
ReportQwest Corp.
303-813-3670
ReportQwest Corp.
303-204-4211
ReportCellco Partnership DBA Verizon Wireless
303-843-9643
ReportQwest Corp.
303-824-8108
ReportTeleport Communications America
303-778-5337
ReportQwest Corp.
303-331-5468
ReportQwest Corp.
303-754-3496
ReportQwest Corp.

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Cities With coverage

CITY LIST
Allenspark
Aurora
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