North American Telephone Operator
North American
Telephone Operator

Telephone Area 240. Page 5.

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: 123457
Company District Major City Prefix
Cavalier East LLCPrince George'sMount Rainier, MD+1-240737-SSSS
New Cingular Wireless PCS - DCOxon Hill, MD+1-240743-SSSS
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1-240744-SSSS
Xo MarylandMontgomeryDamascus, MD+1-240745-SSSS
Cavalier East LLCMontgomeryKensington, MD+1-240747-SSSS
New Cingular Wireless PCS - DCMontgomeryGaithersburg, MD+1-240750-SSSS
Telcove OperationsMontgomeryGaithersburg, MD+1-240751-SSSS
Telcove OperationsMontgomeryBethesda, MD+1-240752-SSSS
Telcove OperationsMontgomeryRockville, MD+1-240753-SSSS
Comcast Phone Of Northern MarylandPrince George'sLaurel, MD+1-240755-SSSS
Global Naps SouthPrince George'sCollege Park, MD+1-240757-SSSS
Xo MarylandPrince George'sHyattsville, MD+1-240764-SSSS
Xo MarylandPrince George'sChevy Chase, MD+1-240765-SSSS
Xo MarylandPrince George'sChevy Chase, MD+1-240766-SSSS
Cavalier East LLCPrince George'sCapitol Heights, MD+1-240767-SSSS
Comcast Phone Of Northern MarylandPrince George'sOxon Hill, MD+1-240770-SSSS
Verizon MarylandMontgomeryRockville, MD+1-240773-SSSS
Broadwing Communications. LLCCharlesLa Plata, MD+1-240776-SSSS
Verizon MarylandMontgomeryRockville, MD+1-240777-SSSS
Xo MarylandMontgomeryChevy Chase, MD+1-240778-SSSS
Cavalier East LLCMontgomerySandy Spring, MD+1-240779-SSSS
Broadwing Communications. LLCMontgomeryGaithersburg, MD+1-240780-SSSS
Global Crossing Local Services-mdMontgomeryDamascus, MD+1-240782-SSSS
Mte DBA Mte Paging NetworkMontgomeryBethesda, MD+1-240783-SSSS
Omnipoint Communications Cap OperationsFrederickMyersville, MD+1-240784-SSSS
Broadwing Communications. LLCPrince George'sLaurel, MD+1-240786-SSSS
Broadwing Communications. LLCPrince George'sBrandywine, MD+1-240787-SSSS
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1-240788-SSSS
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1-240790-SSSS
Nextel CommunicationsMontgomeryGaithersburg, MD+1-240793-SSSS
Broadwing Communications. LLCSaint Mary'sCallaway, MD+1-240794-SSSS
Xo MarylandCharlesNewburg, MD+1-240804-SSSS
Global Crossing Local Services-mdMontgomeryPoolesville, MD+1-240812-SSSS
Atx Telecommunications Services, LtdMontgomeryGaithersburg, MD+1-240813-SSSS
Verizon MarylandWashingtonSmithsburg, MD+1-240818-SSSS
Lightwave CommunicationsMontgomerySilver Spring, MD+1-240821-SSSS
Xo MarylandPrince George'sBrandywine, MD+1-240823-SSSS
+1-240825-SSSS
Verizon MarylandRockville, MD+1-240826-SSSS
Nextel CommunicationsMontgomeryBethesda, MD+1-240832-SSSS
Xo MarylandMontgomeryChevy Chase, MD+1-240833-SSSS
Montgomery+1-240835-SSSS
Xo MarylandCharlesHughesville, MD+1-240837-SSSS
Omnipoint Communications Cap OperationsPrince George'sOxon Hill, MD+1-240838-SSSS
Cellco Partnership DBA Verizon WirelessSilver Spring, MD+1-240839-SSSS
Allegiance TelecomPrince George'sLaurel, MD+1-240841-SSSS
Allegiance TelecomPrince George'sGlenn Dale, MD+1-240842-SSSS
Allegiance TelecomPrince George'sCollege Park, MD+1-240843-SSSS
Xo MarylandSaint Mary'sRidge, MD+1-240844-SSSS
Xo MarylandPrince George'sChevy Chase, MD+1-240845-SSSS
Xo MarylandPrince George'sClinton, MD+1-240846-SSSS
Nextel CommunicationsMontgomeryGaithersburg, MD+1-240848-SSSS
Sprint Spectrum L.p.Bethesda, MD+1-240855-SSSS
Tw Telecom Of Maryland LLCPrince George'sMount Rainier, MD+1-240857-SSSS
Tw Telecom Of Maryland LLCPrince George'sLaurel, MD+1-240863-SSSS
Cavalier East LLCMontgomeryRockville, MD+1-240864-SSSS
Level 3 CommunicationsAnne ArundelBaltimore, MD+1-240865-SSSS
Cavalier East LLCMontgomeryMount Rainier, MD+1-240868-SSSS
Nextel CommunicationsMontgomeryBethesda, MD+1-240876-SSSS
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1-240880-SSSS
Nextel CommunicationsPrince George'sCapitol Heights, MD+1-240882-SSSS
Broadwing Communications. LLCMontgomerySandy Spring, MD+1-240883-SSSS
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1-240888-SSSS
Broadwing Communications. LLCPrince George'sUpper Marlboro, MD+1-240892-SSSS
New Cingular Wireless PCS - DCMontgomerySilver Spring, MD+1-240893-SSSS
Verizon MarylandSaint Mary'sLexington Park, MD+1-240895-SSSS
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1-240897-SSSS
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1-240898-SSSS
Omnipoint Communications Cap OperationsMontgomeryBethesda, MD+1-240899-SSSS
Us Lec Of MarylandMontgomeryGaithersburg, MD+1-240912-SSSS
Level 3 CommunicationsAlleganyCumberland, MD+1-240920-SSSS
Cellco Partnership DBA Verizon WirelessSaint Mary'sLeonardtown, MD+1-240925-SSSS
Cavalier East LLCPrince George'sMount Rainier, MD+1-240929-SSSS
Omnipoint Communications Cap OperationsMontgomeryAshton, MD+1-240938-SSSS
Cavalier East LLCPrince George'sClinton, MD+1-240949-SSSS
Verizon MarylandCumberland, MD+1-240964-SSSS
Paetec CommunicationsPrince George'sCollege Park, MD+1-240965-SSSS
Baltimore-washington Telephone Bwt+1-240976-SSSS
Level 3 CommunicationsAlleganyCumberland, MD+1-240979-SSSS
Xo MarylandCharlesNanjemoy, MD+1-240986-SSSS

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