USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (240) XXX-XXXX / Page 2

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: 124567
Company District Major City Prefix
Global Crossing Local Services-mdPrince George'sLaurel, MD+1 (240) 374-XXXX
Nextel CommunicationsPrince George'sCapitol Heights, MD+1 (240) 375-XXXX
Global Naps SouthCharlesHughesville, MD+1 (240) 376-XXXX
Global Crossing Local Services-mdCharlesIndian Head, MD+1 (240) 377-XXXX
Core CommunicationsAlleganyCumberland, MD+1 (240) 378-XXXX
Verizon MarylandFrederickFrederick, MD+1 (240) 379-XXXX
Cellco Partnership DBA Verizon WirelessCabin John, MD+1 (240) 380-XXXX
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1 (240) 381-XXXX
Teleport Communications Group AmericaHagerstown, MD+1 (240) 382-XXXX
New Cingular Wireless PCS - DCMontgomeryChevy Chase, MD+1 (240) 383-XXXX
Global Naps SouthSaint Mary'sCallaway, MD+1 (240) 384-XXXX
Verizon MarylandFrederickMyersville, MD+1 (240) 385-XXXX
Verizon MarylandMontgomeryGaithersburg, MD+1 (240) 386-XXXX
Cavalier East LLCPrince George'sChevy Chase, MD+1 (240) 387-XXXX
Nextel CommunicationsMontgomeryGaithersburg, MD+1 (240) 388-XXXX
Atx Telecommunications Services, LtdMontgomerySandy Spring, MD+1 (240) 389-XXXX
Cavalier Telephone Mid-atlanticMontgomerySandy Spring, MD+1 (240) 390-XXXX
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1 (240) 391-XXXX
Starpower CommunicationsPrince George'sCapitol Heights, MD+1 (240) 392-XXXX
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1 (240) 393-XXXX
New Cingular Wireless PCS - DCFrederickMount Airy, MD+1 (240) 394-XXXX
Cavalier Telephone Mid-atlanticMontgomeryBethesda, MD+1 (240) 395-XXXX
Global Crossing Local Services-mdMontgomeryMount Rainier, MD+1 (240) 396-XXXX
Cellco Partnership DBA Verizon WirelessFrederick, MD+1 (240) 397-XXXX
Nextel CommunicationsMontgomerySilver Spring, MD+1 (240) 398-XXXX
Xo MarylandMontgomeryChevy Chase, MD+1 (240) 399-XXXX
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1 (240) 401-XXXX
Mci Worldcom CommunicationsCollege Park, MD+1 (240) 402-XXXX
Cavalier Telephone Mid-atlanticMontgomeryRockville, MD+1 (240) 403-XXXX
Xo MarylandMontgomeryGaithersburg, MD+1 (240) 404-XXXX
Us Lec Of MarylandFrederickFrederick, MD+1 (240) 405-XXXX
Leap Wireless Intl DBA Cricket CommRockville, MD+1 (240) 406-XXXX
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1 (240) 407-XXXX
Leap Wireless Intl DBA Cricket CommRockville, MD+1 (240) 408-XXXX
New Cingular Wireless PCS - DCFrederickFrederick, MD+1 (240) 409-XXXX
Sprint Spectrum L.p.CharlesWaldorf, MD+1 (240) 412-XXXX
Omnipoint Communications Cap OperationsPrince George'sHyattsville, MD+1 (240) 413-XXXX
Global Naps SouthPrince George'sOxon Hill, MD+1 (240) 414-XXXX
Ymax Communications Corp.Frederick, MD+1 (240) 415-XXXX
New Cingular Wireless PCS - DCCharlesWaldorf, MD+1 (240) 416-XXXX
Nextel CommunicationsPrince George'sCapitol Heights, MD+1 (240) 417-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 418-XXXX
Cellco Partnership DBA Verizon WirelessWaldorf, MD+1 (240) 419-XXXX
Verizon MarylandWashingtonHagerstown, MD+1 (240) 420-XXXX
Omnipoint Communications Cap OperationsMontgomeryRockville, MD+1 (240) 421-XXXX
Omnipoint Communications Cap OperationsFrederickFrederick, MD+1 (240) 422-XXXX
Omnipoint Communications Cap OperationsMontgomerySilver Spring, MD+1 (240) 423-XXXX
Sprint Spectrum L.p.Mount Rainier, MD+1 (240) 424-XXXX
Dslnet Communications VaMontgomeryCabin John, MD+1 (240) 425-XXXX
Sprint Spectrum L.p.MontgomeryBethesda, MD+1 (240) 426-XXXX
Xo MarylandCharlesWaldorf, MD+1 (240) 427-XXXX
Bandwidth.com ClecRockville, MD+1 (240) 428-XXXX
Cellco Partnership DBA Verizon WirelessSilver Spring, MD+1 (240) 429-XXXX
Cavalier Telephone Mid-atlanticMontgomeryKensington, MD+1 (240) 430-XXXX
Sprint Spectrum L.p.Saint Mary'sTall Timbers, MD+1 (240) 431-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 432-XXXX
Cavalier Telephone Mid-atlanticMontgomerySilver Spring, MD+1 (240) 433-XXXX
Broadwing Communications. LLCSaint Mary'sLeonardtown, MD+1 (240) 434-XXXX
Cellco Partnership DBA Verizon WirelessWaldorf, MD+1 (240) 435-XXXX
Telcove OperationsFrederickIjamsville, MD+1 (240) 436-XXXX
Xo MarylandMontgomerySandy Spring, MD+1 (240) 437-XXXX
Cellco Partnership DBA Verizon WirelessFrederick, MD+1 (240) 439-XXXX
Leap Wireless Intl DBA Cricket CommFrederick, MD+1 (240) 440-XXXX
Omnipoint Communications Cap OperationsPrince George'sOxon Hill, MD+1 (240) 441-XXXX
Verizon MarylandGarrettOakland, MD+1 (240) 442-XXXX
Cellco Partnership DBA Verizon WirelessFrederickFrederick, MD+1 (240) 446-XXXX
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1 (240) 447-XXXX
New Cingular Wireless PCS - DCMontgomeryGaithersburg, MD+1 (240) 449-XXXX
Cavalier Telephone Mid-atlanticMontgomerySilver Spring, MD+1 (240) 450-XXXX
Ntelos Network Inc.-vaHagerstown, MD+1 (240) 452-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (240) 453-XXXX
Paetec CommunicationsMontgomeryGaithersburg, MD+1 (240) 454-XXXX
Paetec CommunicationsPrince George'sCapitol Heights, MD+1 (240) 455-XXXX
Verizon MarylandPrince George'sLaurel, MD+1 (240) 456-XXXX
Cellco Partnership DBA Verizon WirelessFrederick, MD+1 (240) 457-XXXX
Cellco Partnership DBA Verizon WirelessLaurel, MD+1 (240) 459-XXXX
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1 (240) 460-XXXX
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1 (240) 461-XXXX
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1 (240) 462-XXXX
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1 (240) 463-XXXX

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