USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (240) XXX-XXXX / Page 4

Phone numbers of the state Maryland
Prefix: +1240
This prefix is distributed within the state Maryland
The largest city in the region is Gaithersburg
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
Below on the map, there is indicated the largest city in the telephone area +1-240-...-.... Maryland Gaithersburg.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.



The table below shows the main major cities and telecom operators.

If you notice any errors of any community’s location on the map, please report it via the feedback form.

Phone numbers +1 (240) XXX-XXXX

Other pages: 123467
Company District Major City Prefix
Cellco Partnership DBA Verizon Wireless+1 (240) 578-XXXX
Nextel CommunicationsAlleganyCumberland, MD+1 (240) 580-XXXX
Paetec Communications - DCPrince George'sLaurel, MD+1 (240) 581-XXXX
Verizon MarylandPrince George'sHyattsville, MD+1 (240) 582-XXXX
Verizon MarylandBeltsville, MD+1 (240) 583-XXXX
Cellco Partnership DBA Verizon Wireless+1 (240) 585-XXXX
Verizon MarylandFrederick, MD+1 (240) 586-XXXX
Cellco Partnership DBA Verizon WirelessLeonardtown, MD+1 (240) 587-XXXX
Omnipoint Communications Cap OperationsPrince George'sLaurel, MD+1 (240) 593-XXXX
Cellco Partnership DBA Verizon WirelessChevy Chase, MD+1 (240) 595-XXXX
Global Naps SouthMontgomeryGaithersburg, MD+1 (240) 597-XXXX
Broadwing Communications. LLCPrince George'sRockville, MD+1 (240) 599-XXXX
Sprint Spectrum L.p.Bethesda, MD+1 (240) 600-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 601-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 602-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 603-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 604-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 605-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 606-XXXX
Global Crossing Local Services-mdCharlesWaldorf, MD+1 (240) 607-XXXX
Tw Telecom Of Maryland LLCMount Rainier, MD+1 (240) 612-XXXX
Mci Worldcom CommunicationsPrince George'sCollege Park, MD+1 (240) 616-XXXX
Cellco Partnership DBA Verizon Wireless+1 (240) 618-XXXX
Mci Worldcom CommunicationsPrince George'sChevy Chase, MD+1 (240) 619-XXXX
Mci Worldcom CommunicationsMontgomeryRockville, MD+1 (240) 620-XXXX
Mci Worldcom CommunicationsMontgomeryKensington, MD+1 (240) 621-XXXX
Verizon MarylandPrince George'sGreenbelt, MD+1 (240) 624-XXXX
Nextel CommunicationsWashingtonHagerstown, MD+1 (240) 625-XXXX
Sprint Spectrum L.p.FrederickFrederick, MD+1 (240) 626-XXXX
Global Crossing Local Services-mdMontgomeryMount Rainier, MD+1 (240) 627-XXXX
Verizon MarylandFrederickFrederick, MD+1 (240) 629-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (240) 631-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (240) 632-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 638-XXXX
Leap Wireless Intl DBA Cricket CommWaldorf, MD+1 (240) 640-XXXX
Tidalwave Telephone Inc.MontgomeryRockville, MD+1 (240) 641-XXXX
Tidalwave Telephone Inc.MontgomeryRockville, MD+1 (240) 642-XXXX
Omnipoint Communications Cap OperationsMontgomerySilver Spring, MD+1 (240) 643-XXXX
Xo MarylandMontgomeryChevy Chase, MD+1 (240) 644-XXXX
Xo MarylandMontgomeryChevy Chase, MD+1 (240) 645-XXXX
Cavalier East LLCPrince George'sLaurel, MD+1 (240) 646-XXXX
Xo MarylandSaint Mary'sMechanicsville, MD+1 (240) 652-XXXX
New Cingular Wireless PCS - DCGaithersburg, MD+1 (240) 654-XXXX
Verizon MarylandMontgomerySilver Spring, MD+1 (240) 662-XXXX
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1 (240) 667-XXXX
Starpower CommunicationsMontgomeryDamascus, MD+1 (240) 668-XXXX
Comcast Phone Of Northern MarylandMontgomeryKensington, MD+1 (240) 669-XXXX
Sprint Spectrum L.p.MontgomeryMount Rainier, MD+1 (240) 671-XXXX
Cellco Partnership DBA Verizon WirelessMontgomeryRockville, MD+1 (240) 672-XXXX
Nextel CommunicationsFrederickFrederick, MD+1 (240) 674-XXXX
New Cingular Wireless PCS - DCFrederickMyersville, MD+1 (240) 675-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (240) 676-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (240) 678-XXXX
Atx Telecommunications Services, LtdPrince George'sBrandywine, MD+1 (240) 681-XXXX
Starpower CommunicationsCharlesWaldorf, MD+1 (240) 682-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (240) 683-XXXX
Verizon MarylandPrince George'sGreenbelt, MD+1 (240) 684-XXXX
Global Crossing Local Services-mdPrince George'sBrandywine, MD+1 (240) 685-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (240) 686-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (240) 687-XXXX
Cellco Partnership DBA Verizon WirelessSilver Spring, MD+1 (240) 688-XXXX
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1 (240) 691-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (240) 694-XXXX
Verizon MarylandPrince George'sTemple Hills, MD+1 (240) 695-XXXX
Level 3 CommunicationsPrince George'sHyattsville, MD+1 (240) 696-XXXX
Verizon MarylandFrederickAdamstown, MD+1 (240) 699-XXXX
Leap Wireless Intl DBA Cricket CommSilver Spring, MD+1 (240) 701-XXXX
+1 (240) 702-XXXX
Leap Wireless Intl DBA Cricket CommMount Rainier, MD+1 (240) 704-XXXX
Leap Wireless Intl DBA Cricket CommChevy Chase, MD+1 (240) 705-XXXX
Leap Wireless Intl DBA Cricket CommChevy Chase, MD+1 (240) 706-XXXX
Global Crossing Local Services-mdMontgomeryRockville, MD+1 (240) 715-XXXX
Xo MarylandSaint Mary'sCallaway, MD+1 (240) 718-XXXX
Global Crossing Local Services-mdMontgomeryGaithersburg, MD+1 (240) 720-XXXX
Global Crossing Local Services-mdMontgomerySandy Spring, MD+1 (240) 722-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (240) 723-XXXX
Cavalier East LLCPrince George'sOxon Hill, MD+1 (240) 724-XXXX
Verizon MarylandSaint Mary'sLexington Park, MD+1 (240) 725-XXXX
New Cingular Wireless PCS - DCAlleganyCumberland, MD+1 (240) 727-XXXX
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1 (240) 731-XXXX

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