USA Phone Code Guide
USA Phone
Code Guide

Telephone Area +1 (240) XXX-XXXX

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.



Phone numbers +1 (240) XXX-XXXX

Other pages: 234567
Company District Major City Prefix
Bandwidth.com ClecMount Rainier, MD+1 (240) 200-XXXX
Global Naps SouthSaint Mary'sRidge, MD+1 (240) 201-XXXX
New Cingular Wireless PCS - DCMontgomeryRockville, MD+1 (240) 205-XXXX
Xo MarylandPrince George'sGlenn Dale, MD+1 (240) 206-XXXX
Cavalier East LLCMontgomeryDamascus, MD+1 (240) 207-XXXX
Global Naps SouthCharlesLa Plata, MD+1 (240) 208-XXXX
Global Naps SouthCharlesIndian Head, MD+1 (240) 209-XXXX
New Cingular Wireless PCS - DCCharlesWaldorf, MD+1 (240) 210-XXXX
Core CommunicationsGarrettOakland, MD+1 (240) 212-XXXX
Global Naps SouthCharlesWaldorf, MD+1 (240) 213-XXXX
Global Naps SouthSaint Mary'sMechanicsville, MD+1 (240) 214-XXXX
Telcove OperationsFrederickFrederick, MD+1 (240) 215-XXXX
Nextel CommunicationsCharlesWaldorf, MD+1 (240) 216-XXXX
Omnipoint Communications Cap OperationsWashingtonHagerstown, MD+1 (240) 217-XXXX
Global Naps SouthCharlesNanjemoy, MD+1 (240) 218-XXXX
Global Naps SouthCharlesNewburg, MD+1 (240) 219-XXXX
Global Naps SouthMontgomeryPoolesville, MD+1 (240) 220-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (240) 221-XXXX
Cavalier Telephone Mid-atlanticCharlesWaldorf, MD+1 (240) 222-XXXX
Allegiance TelecomPrince George'sMount Rainier, MD+1 (240) 223-XXXX
Prince George's+1 (240) 224-XXXX
Core CommunicationsFrederickFrederick, MD+1 (240) 225-XXXX
Verizon MarylandPrince George'sLaurel, MD+1 (240) 228-XXXX
Broadwing Communications. LLCCharlesWaldorf, MD+1 (240) 229-XXXX
Global Crossing Local Services-mdCharlesHughesville, MD+1 (240) 230-XXXX
Core CommunicationsWashingtonHagerstown, MD+1 (240) 231-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 232-XXXX
Teleport Communications Group - DCCharlesNewburg, MD+1 (240) 233-XXXX
Montgomery+1 (240) 234-XXXX
Paetec CommunicationsMontgomeryBethesda, MD+1 (240) 235-XXXX
Verizon MarylandFrederickFrederick, MD+1 (240) 236-XXXX
Teleport Communications Group - DCSaint Mary'sCallaway, MD+1 (240) 237-XXXX
Paetec CommunicationsMontgomeryRockville, MD+1 (240) 238-XXXX
Core CommunicationsSaint Mary'sLeonardtown, MD+1 (240) 239-XXXX
Starpower CommunicationsPrince George'sChevy Chase, MD+1 (240) 241-XXXX
Starpower CommunicationsMontgomeryKensington, MD+1 (240) 242-XXXX
Allegiance TelecomMontgomeryGaithersburg, MD+1 (240) 243-XXXX
Starpower CommunicationsPrince George'sMount Rainier, MD+1 (240) 244-XXXX
Starpower CommunicationsPrince George'sGlenn Dale, MD+1 (240) 245-XXXX
Starpower CommunicationsMontgomeryGaithersburg, MD+1 (240) 246-XXXX
Allegiance TelecomPrince George'sMount Rainier, MD+1 (240) 247-XXXX
Global Naps SouthSaint Mary'sRidge, MD+1 (240) 248-XXXX
Teleport Communications Group - DCSaint Mary'sMechanicsville, MD+1 (240) 249-XXXX
Global Naps SouthPrince George'sBrandywine, MD+1 (240) 250-XXXX
Core CommunicationsWashingtonHighfield, MD+1 (240) 251-XXXX
Level 3 CommunicationsMontgomeryGaithersburg, MD+1 (240) 252-XXXX
Global Crossing Local Services-mdPrince George'sMount Rainier, MD+1 (240) 253-XXXX
Teleport Communications Group - DCCharlesHughesville, MD+1 (240) 254-XXXX
Global Naps SouthMontgomeryPoolesville, MD+1 (240) 255-XXXX
Teleport Communications Group - DCSaint Mary'sLeonardtown, MD+1 (240) 256-XXXX
Teleport Communications Group - DCCharlesNanjemoy, MD+1 (240) 257-XXXX
Teleport Communications Group - DCSaint Mary'sRidge, MD+1 (240) 258-XXXX
Allegiance TelecomPrince George'sMount Rainier, MD+1 (240) 260-XXXX
Global Naps SouthMontgomeryRockville, MD+1 (240) 261-XXXX
Tidalwave Telephone Inc.MontgomeryDamascus, MD+1 (240) 262-XXXX
Tidalwave Telephone Inc.MontgomeryDamascus, MD+1 (240) 263-XXXX
Verizon MarylandPrince George'sBeltsville, MD+1 (240) 264-XXXX
Tidalwave Telephone Inc.Prince George'sCapitol Heights, MD+1 (240) 265-XXXX
Global Naps SouthPrince George'sGlenn Dale, MD+1 (240) 266-XXXX
Tidalwave Telephone Inc.Prince George'sCapitol Heights, MD+1 (240) 267-XXXX
Allegiance TelecomPrince George'sRockville, MD+1 (240) 268-XXXX
Global Naps SouthPrince George'sClinton, MD+1 (240) 269-XXXX
Tidalwave Telephone Inc.Prince George'sGlenn Dale, MD+1 (240) 270-XXXX
New Cingular Wireless PCS - DCMontgomeryBethesda, MD+1 (240) 271-XXXX
Tidalwave Telephone Inc.Prince George'sGlenn Dale, MD+1 (240) 272-XXXX
Broadwing Communications. LLCPrince George'sMount Rainier, MD+1 (240) 273-XXXX
New Cingular Wireless PCS - DCMontgomeryBethesda, MD+1 (240) 274-XXXX
Core CommunicationsGarrettGrantsville, MD+1 (240) 275-XXXX
Verizon MarylandMontgomeryRockville, MD+1 (240) 276-XXXX
Sprint Spectrum L.p.MontgomeryBethesda, MD+1 (240) 277-XXXX
Cellco Partnership DBA Verizon Wireless+1 (240) 278-XXXX
Core CommunicationsCharlesWaldorf, MD+1 (240) 279-XXXX
Comcast Phone Of Northern MarylandAnne ArundelLaurel, MD+1 (240) 280-XXXX
New Cingular Wireless PCS - DCMontgomeryBethesda, MD+1 (240) 281-XXXX
Global Naps SouthSaint Mary'sMechanicsville, MD+1 (240) 282-XXXX
Paetec CommunicationsMontgomeryKensington, MD+1 (240) 283-XXXX
NationslineAlleganyFrostburg, MD+1 (240) 284-XXXX
Cellco Partnership DBA Verizon WirelessFrederickFrederick, MD+1 (240) 285-XXXX
Nextel CommunicationsMontgomeryBethesda, MD+1 (240) 286-XXXX
Core CommunicationsWashingtonHancock, MD+1 (240) 287-XXXX