240 Area Code Prefixes Directory

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Bandwidth.com Clec
Carrier

Coverage Area
Counties: Prince Georges, Washington,
Cities: Mount Rainier, Hagerstown, Rockville, Crofton

Peerless Network Of The District Of Columbia, Dc
Carrier

Coverage Area
Counties: Saint Marys, Charles,
Cities: Ridge, La Plata, Indian Head, Waldorf, Mechanicsville, Nanjemoy

New Cingular Wireless PCS - DC
Carrier

Coverage Area
Counties: , Montgomery, Washington, Frederick, Carroll
Cities: Cabin John, Waldorf, Bethesda, Hagerstown, Damascus, Frederick, Silver Spring, Chevy Chase, Mount Airy, Rockville, Gaithersburg, Mechanicsville, Myersville, Cumberland

Xo Maryland
Carrier

Coverage Area
Counties: , Charles, Saint Marys
Cities: Glenn Dale, Laurel, Chevy Chase, Gaithersburg, Waldorf, Sandy Spring, Poolesville, Upper Marlboro, La Plata, Leonardtown, Mechanicsville, Callaway, Damascus, Newburg, Brandywine, Hughesville, Ridge, Clinton, Nanjemoy, Indian Head

Cavalier East LLC
Carrier

Coverage Area
Counties: , Prince Georges
Cities: Damascus, Waldorf, Mount Rainier, Upper Marlboro, Gaithersburg, Chevy Chase, Laurel, Capitol Heights, Sandy Spring, Rockville

Core Communications
Carrier

Coverage Area
Counties: Garrett, Frederick, Washington, , Montgomery, Carroll
Cities: Oakland, Frederick, Hagerstown, Leonardtown, Highfield, Grantsville, Waldorf, Hancock, Mccoole, Emmitsburg, Damascus, Gaithersburg, Bethesda, Mount Airy, Cumberland, College Park, Chevy Chase

Telcove Operations
Carrier

Coverage Area
Counties: Frederick, , Montgomery
Cities: Frederick, Ijamsville, Gaithersburg, Bethesda, Rockville

Omnipoint Communications Cap Operations
Carrier

Coverage Area
Counties: Washington, , Frederick, Prince Georges, Montgomery
Cities: Hagerstown, Laurel, Hyattsville, Rockville, Frederick, Silver Spring, Oxon Hill, Glenn Dale, Middletown, Mount Rainier, Myersville, Bethesda, Ashton

Peerless Network Of Maryland
Carrier

Coverage Area
Counties: , Saint Marys, Prince Georges, Charles
Cities: Poolesville, Ridge, Brandywine, Mount Rainier, Mechanicsville, Newburg, La Plata, Damascus, Indian Head, Waldorf, Hughesville, Callaway, Laurel, Upper Marlboro, Leonardtown, Sandy Spring, Gaithersburg

Verizon Maryland
Carrier

Coverage Area
Counties: , Frederick, Washington, Anne Arundel, Garrett
Cities: Rockville, Laurel, Frederick, Beltsville, Kensington, Hagerstown, Clinton, Cumberland, Odenton, Myersville, Gaithersburg, Oakland, Chevy Chase, Hyattsville, Greenbelt, Silver Spring, Temple Hills, Adamstown, Lexington Park, Smithsburg

Cavalier Telephone Mid-atlantic
Carrier

Coverage Area
Counties: , Montgomery
Cities: Waldorf, Oxon Hill, Laurel, Hyattsville, Clinton, Capitol Heights, Upper Marlboro, Glenn Dale, Gaithersburg, Sandy Spring, Bethesda, Rockville, Kensington, Silver Spring, College Park

Allegiance Telecom
Carrier

Coverage Area
Counties: Prince Georges,
Cities: Mount Rainier, Gaithersburg, Rockville, Laurel, Sandy Spring, Glenn Dale, College Park

Broadwing Communications. LLC
Carrier

Coverage Area
Counties: , Prince Georges, Charles
Cities: Waldorf, Mount Rainier, Leonardtown, Hughesville, Rockville, La Plata, Gaithersburg, Laurel, Brandywine, Oxon Hill, Callaway, Chevy Chase, Sandy Spring, Upper Marlboro

Global Crossing Local Services-md
Carrier

Coverage Area
Counties: , Prince Georges, Charles
Cities: Hughesville, Mount Rainier, La Plata, Laurel, Indian Head, Silver Spring, Upper Marlboro, Waldorf, Brandywine, Rockville, Gaithersburg, Sandy Spring, Damascus, Poolesville

Teleport Communications America - DC
Carrier

Coverage Area
Counties: , Saint Marys, Prince Georges
Cities: Newburg, Callaway, Mechanicsville, Hughesville, Leonardtown, Nanjemoy, Ridge, Mount Rainier

Paetec Communications
Carrier

Coverage Area
Counties: Montgomery,
Cities: Bethesda, Rockville, Kensington, Gaithersburg, Oxon Hill, Glenn Dale, College Park

Starpower Communications
Carrier

Coverage Area
Counties: , Prince Georges
Cities: Chevy Chase, Kensington, Mount Rainier, Glenn Dale, Gaithersburg, Callaway, Sandy Spring, Oxon Hill, Damascus, Waldorf

Level 3 Communications
Carrier

Coverage Area
Counties: , Allegany, Washington, Frederick, Howard, Baltimore City
Cities: Gaithersburg, Frostburg, College Park, Hagerstown, Sandy Spring, Oxon Hill, Frederick, Laurel, Hyattsville, Columbia, Waldorf, Baltimore, Cumberland

Comcast Phone Of Northern Maryland
Carrier

Coverage Area
Cities: Laurel, Thurmont, Oxon Hill, Kensington, Indian Head

AT&T Local
Carrier

Coverage Area
Cities: Emmitsburg, Williamsport

Uscoc Of Cumberland DBA United States Cel Md
Carrier

Coverage Area
Counties: Washington, Garrett
Cities: Hagerstown, Oakland

Ymax Communications Corp.
Carrier

Coverage Area
Counties: , Frederick
Cities: Clarksville, Frederick

Mci Worldcom Communications
Carrier

Coverage Area
Cities: Adamstown, College Park, Chevy Chase, Rockville, Kensington

Global Naps South
Carrier

Coverage Area
Cities: Kensington

Baltimore-washington Telephone (bwt)
Carrier

Coverage Area
Cities: Damascus

Teleport Communications America
Carrier

Coverage Area
Counties: Washington
Cities: Hagerstown

Atx Telecommunications Services, Ltd
Carrier

Coverage Area
Cities: Sandy Spring, Gaithersburg

Us Lec Of Maryland
Carrier

Coverage Area
Counties: Frederick, , Washington
Cities: Frederick, Cabin John, Hyattsville, Capitol Heights, Oxon Hill, Hagerstown, Silver Spring, College Park, Glenn Dale, Upper Marlboro, Clinton, Gaithersburg

Leap Wireless Intl DBA Cricket Comm
Carrier

Coverage Area
Counties: , Frederick, Prince Georges
Cities: Rockville, Frederick, Waldorf, Silver Spring, Mount Rainier, Chevy Chase

Dslnet Communications Va
Carrier

Coverage Area
Cities: Cabin John

Lumos Networks Inc. - VA
Carrier

Coverage Area
Counties: Washington
Cities: Hagerstown

Lightwave Communications
Carrier

Coverage Area
Cities: Gaithersburg, Silver Spring

Shentel Communications
Carrier

Coverage Area
Counties: Garrett
Cities: Oakland

Local Access LLC
Carrier

Coverage Area
Counties: , Prince Georges
Cities: Waldorf, Mount Rainier, Oxon Hill

Paetec Communications - DC
Carrier

Coverage Area
Cities: Laurel

365 Wireless
Carrier

Coverage Area
Counties: Frederick, Montgomery
Cities: Frederick, Bethesda

Tw Telecom Of Maryland LLC
Carrier

Coverage Area
Counties: Prince Georges,
Cities: Mount Rainier, Laurel

Metro PCS
Carrier

Coverage Area
Cities: Rockville, Hyattsville

Broadvox-clec - DC
Carrier

Coverage Area
Cities: Cabin John

Halo Wireless Services
Carrier

Coverage Area
Counties: Frederick
Cities: Frederick

Mte DBA Mte Paging Network
Carrier

Coverage Area
Counties: Montgomery
Cities: Bethesda

The 240 area code is located in Baltimore, Maryland including Mount Rainier, Ridge and was originally put into service on February 27th 1999. Find whose number this is.

Recently Reported Numbers

(240) 334-6107Unknown

British automated voicemail. Reduce my debt by 50%. Would that be 50% in dollars or pounds? I wasn't aware that I lived in Britain either.

(240) 374-4535Neutral

Left a message for my daughter. If this was legitimate debt wouldn’t they have her number? Been the same for years.

(240) 266-9052Unknown

Got a call from this phone number.

(240) 202-2460Unknown

Received a call on landline.

(240) 219-4413Dangerous

cold call wanting to buy my house, knew my address. very persistant

(240) 617-2599Unknown

Called and hung up with no message.

(240) 209-9136Neutral

Second call of the day ID as Indianhead MD.Called the number, silence, no ring and no disconnect.

(240) 209-9136Neutral

I have received 3 calls from indianhead md.First 8 numbers the same, the last two, 36,39 and now 29.

(240) 219-4465Unknown

Called my landline on 8/5/2020 at 1:17 pm and CID displayed Ridge MD 240-219-4465 and no VM was left. Since no message was left, the call wasn't important. I don't know anyone who resides in Ridge MD. Not the first time receiving these calls from Ridge MD as they have been calling constantly.Caller UnknownCall type Nuisance call

(240) 256-6017Unknown

240-256-6017 calls and never leaves VM.

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.

240-572-4269
Report
UNKNOWN
240-460-2844
Report
New Cingular Wireless PCS - DC
240-234-9286
Report
Cellco Partnership DBA Verizon Wireless
240-295-2074
Report
Cavalier Telephone Mid-atlantic
240-347-3213
Report
Bandwidth.com Clec
240-507-9319
Report
Cellco Partnership DBA Verizon Wireless
240-315-2124
Report
Verizon Maryland
240-562-1379
Report
UNKNOWN
240-795-1193
Report
UNKNOWN
240-534-7213
Report
UNKNOWN
240-472-7207
Report
New Cingular Wireless PCS - DC
240-643-6238
Report
Omnipoint Communications Cap Operations
240-384-4057
Report
Peerless Network Of Maryland
240-420-8558
Report
Verizon Maryland
240-573-9919
Report
Global Crossing Local Services-md
240-778-9321
Report
Xo Maryland
240-100-1813
Report
UNKNOWN
240-106-3509
Report
UNKNOWN
240-541-7978
Report
Sprint Spectrum

Most searched numbers

Cell
All TimeThis Month
240-821-3534First seen 2010-02-12240-823-8116First seen 2011-10-07
240-757-5070First seen 2012-12-10240-512-6780First seen 2014-10-01
240-354-3423First seen 2010-04-28240-284-1422First seen 2012-10-25
240-166-5557First seen 2018-05-31240-764-8123First seen 2013-01-05
240-943-4416First seen 2011-12-13240-530-8075First seen 2010-02-05
Landline
All TimeThis Month
240-928-1298First seen 2020-04-05240-325-5519First seen 2013-04-30
240-836-9267First seen 2013-07-22240-744-7772First seen 2014-08-19
240-686-9385First seen 2020-01-05240-641-1355First seen 2018-03-27
240-956-7817First seen 2011-07-06240-161-8526First seen 2014-04-26
240-567-9263First seen 2013-05-16240-242-3567First seen 2012-12-28

Cities With coverage

CITY LIST
Adamstown
Ashton
Baltimore
Beltsville
Bethesda
Brandywine
Cabin John
Callaway
Capitol Heights
Chevy Chase
Clarksville
Clinton
College Park
Columbia
Crofton
Cumberland
Damascus
Emmitsburg
Frederick
Frostburg
Gaithersburg
Glenn Dale
Grantsville
Greenbelt
Hagerstown
Hancock
Highfield
Hughesville
Hyattsville
Ijamsville
Indian Head
Kensington
La Plata
Laurel
Leonardtown
Lexington Park
Mccoole
Mechanicsville
Middletown
Mount Airy
Mount Rainier
Myersville
Nanjemoy
Newburg
Oakland
Odenton
Oxon Hill
Poolesville
Ridge
Rockville
Sandy Spring
Silver Spring
Smithsburg
Tall Timbers
Temple Hills
Thurmont
Upper Marlboro
Waldorf
Williamsport