North American Telephone Operator
North American
Telephone Operator

Telephone Area 240. 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-YYY-YYYY

Other pages: 124567
Company District Major City Prefix
Global Crossing Local Services-mdPrince George'sLaurel, MD+1-240374-SSSS
Nextel CommunicationsPrince George'sCapitol Heights, MD+1-240375-SSSS
Global Naps SouthCharlesHughesville, MD+1-240376-SSSS
Global Crossing Local Services-mdCharlesIndian Head, MD+1-240377-SSSS
Core CommunicationsAlleganyCumberland, MD+1-240378-SSSS
Verizon MarylandFrederickFrederick, MD+1-240379-SSSS
Cellco Partnership DBA Verizon WirelessCabin John, MD+1-240380-SSSS
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1-240381-SSSS
Teleport Communications Group AmericaHagerstown, MD+1-240382-SSSS
New Cingular Wireless PCS - DCMontgomeryChevy Chase, MD+1-240383-SSSS
Global Naps SouthSaint Mary'sCallaway, MD+1-240384-SSSS
Verizon MarylandFrederickMyersville, MD+1-240385-SSSS
Verizon MarylandMontgomeryGaithersburg, MD+1-240386-SSSS
Cavalier East LLCPrince George'sChevy Chase, MD+1-240387-SSSS
Nextel CommunicationsMontgomeryGaithersburg, MD+1-240388-SSSS
Atx Telecommunications Services, LtdMontgomerySandy Spring, MD+1-240389-SSSS
Cavalier Telephone Mid-atlanticMontgomerySandy Spring, MD+1-240390-SSSS
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1-240391-SSSS
Starpower CommunicationsPrince George'sCapitol Heights, MD+1-240392-SSSS
Cellco Partnership DBA Verizon WirelessMontgomerySilver Spring, MD+1-240393-SSSS
New Cingular Wireless PCS - DCFrederickMount Airy, MD+1-240394-SSSS
Cavalier Telephone Mid-atlanticMontgomeryBethesda, MD+1-240395-SSSS
Global Crossing Local Services-mdMontgomeryMount Rainier, MD+1-240396-SSSS
Cellco Partnership DBA Verizon WirelessFrederick, MD+1-240397-SSSS
Nextel CommunicationsMontgomerySilver Spring, MD+1-240398-SSSS
Xo MarylandMontgomeryChevy Chase, MD+1-240399-SSSS
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1-240401-SSSS
Mci Worldcom CommunicationsCollege Park, MD+1-240402-SSSS
Cavalier Telephone Mid-atlanticMontgomeryRockville, MD+1-240403-SSSS
Xo MarylandMontgomeryGaithersburg, MD+1-240404-SSSS
Us Lec Of MarylandFrederickFrederick, MD+1-240405-SSSS
Leap Wireless Intl DBA Cricket CommRockville, MD+1-240406-SSSS
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1-240407-SSSS
Leap Wireless Intl DBA Cricket CommRockville, MD+1-240408-SSSS
New Cingular Wireless PCS - DCFrederickFrederick, MD+1-240409-SSSS
Sprint Spectrum L.p.CharlesWaldorf, MD+1-240412-SSSS
Omnipoint Communications Cap OperationsPrince George'sHyattsville, MD+1-240413-SSSS
Global Naps SouthPrince George'sOxon Hill, MD+1-240414-SSSS
Ymax Communications Corp.Frederick, MD+1-240415-SSSS
New Cingular Wireless PCS - DCCharlesWaldorf, MD+1-240416-SSSS
Nextel CommunicationsPrince George'sCapitol Heights, MD+1-240417-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240418-SSSS
Cellco Partnership DBA Verizon WirelessWaldorf, MD+1-240419-SSSS
Verizon MarylandWashingtonHagerstown, MD+1-240420-SSSS
Omnipoint Communications Cap OperationsMontgomeryRockville, MD+1-240421-SSSS
Omnipoint Communications Cap OperationsFrederickFrederick, MD+1-240422-SSSS
Omnipoint Communications Cap OperationsMontgomerySilver Spring, MD+1-240423-SSSS
Sprint Spectrum L.p.Mount Rainier, MD+1-240424-SSSS
Dslnet Communications VaMontgomeryCabin John, MD+1-240425-SSSS
Sprint Spectrum L.p.MontgomeryBethesda, MD+1-240426-SSSS
Xo MarylandCharlesWaldorf, MD+1-240427-SSSS
Bandwidth.com ClecRockville, MD+1-240428-SSSS
Cellco Partnership DBA Verizon WirelessSilver Spring, MD+1-240429-SSSS
Cavalier Telephone Mid-atlanticMontgomeryKensington, MD+1-240430-SSSS
Sprint Spectrum L.p.Saint Mary'sTall Timbers, MD+1-240431-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240432-SSSS
Cavalier Telephone Mid-atlanticMontgomerySilver Spring, MD+1-240433-SSSS
Broadwing Communications. LLCSaint Mary'sLeonardtown, MD+1-240434-SSSS
Cellco Partnership DBA Verizon WirelessWaldorf, MD+1-240435-SSSS
Telcove OperationsFrederickIjamsville, MD+1-240436-SSSS
Xo MarylandMontgomerySandy Spring, MD+1-240437-SSSS
Cellco Partnership DBA Verizon WirelessFrederick, MD+1-240439-SSSS
Leap Wireless Intl DBA Cricket CommFrederick, MD+1-240440-SSSS
Omnipoint Communications Cap OperationsPrince George'sOxon Hill, MD+1-240441-SSSS
Verizon MarylandGarrettOakland, MD+1-240442-SSSS
Cellco Partnership DBA Verizon WirelessFrederickFrederick, MD+1-240446-SSSS
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1-240447-SSSS
New Cingular Wireless PCS - DCMontgomeryGaithersburg, MD+1-240449-SSSS
Cavalier Telephone Mid-atlanticMontgomerySilver Spring, MD+1-240450-SSSS
Ntelos Network Inc.-vaHagerstown, MD+1-240452-SSSS
Verizon MarylandMontgomeryRockville, MD+1-240453-SSSS
Paetec CommunicationsMontgomeryGaithersburg, MD+1-240454-SSSS
Paetec CommunicationsPrince George'sCapitol Heights, MD+1-240455-SSSS
Verizon MarylandPrince George'sLaurel, MD+1-240456-SSSS
Cellco Partnership DBA Verizon WirelessFrederick, MD+1-240457-SSSS
Cellco Partnership DBA Verizon WirelessLaurel, MD+1-240459-SSSS
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1-240460-SSSS
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1-240461-SSSS
Sprint Spectrum L.p.Prince George'sBeltsville, MD+1-240462-SSSS
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1-240463-SSSS

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