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240 Area Code Cell Phones

This 240 page contains information about the (240) area code, located within the US. The 240 areacode is in MD.

According to NPA-NXX exchange data, here are the cities in -240-: Adamstown, Alexandria, Annapolis Junction, Ashton, Baltimore, Beltsville, Bethesda, Brandywine, Capitol Heights, Chevy Chase, Clinton, College Park, Cumberland, Damascus, Emmitsburg, Frederick, Frostburg, Gaithersburg, Glenn Dale, Grantsville, Greenbelt, Hagerstown, Hancock, Highfield, Hughesville, Hyattsville, Ijamsville, Indian Head, Kensington, La Plata, Laurel, Leonardtown, Lexington Park, Mccoole, Mechanicsville, Middletown, Mount Airy, Mount Rainier, Myersville, Nanjemoy, Newburg, Oakland, Odenton, Oxon Hill, Poolesville, Ridge, Rockville, Silver Spring, Smithsburg, Tall Timbers, Temple Hills, Thurmont, Upper Marlboro, Waldorf, Washington and Williamsport

Phone numbers, especially cell phones, can easily be "ported" now, but here are the main carriers and cell companies for area code 240.

  • Allegiance Telecom Of Maryland, Inc
  • Arbros Communications Licensing Com
  • Arch Wireless Holdings
  • At&t - Local
  • Atx Telecommunications Services, Lt
  • Baltimore-Washington Telephone Bwt
  • Blue Licenses Holding, Llc
  • Broadwing Communications, Llc
  • Cavalier East Llc
  • Cavalier Telephone, L.L.C.
  • Cellco Partnership Dba Verizon Wireless
  • Comcast Business Communications, In
  • Comcast Phone Of Northern Maryland,
  • Core Communications
  • Dobson Cellular Systems, Inc.
  • Dslnet Communications Va, Inc.
  • Global Crossing Local Services, Inc
  • Global Naps South, Inc.
  • Kmc Telecom Iii
  • Level 3 Communications, Llc
  • Lightwave Communications, Llc - Md
  • Mci Worldcom Communications, Inc. -
  • Metrocall
  • Mte, Inc. Dba Mte Paging Network
  • Nextel Communications, Inc.
  • Omnipoint Communications Cap Operat
  • Pac-West Telecomm, Inc.
  • Paetec Communications, Inc.
  • Sbc Telecom
  • Southwestern Bell Mobile Systems, L
  • Sprint Spectrum L.P.
  • Starpower Communications, Llc
  • Teleport Commun Group
  • Tidalwave Telephone Inc.
  • Us Lec Of Maryland, Inc.
  • Us Lec Of Virginia Llc - Dc
  • Uscoc Of Cumberland, Inc. Dba Unite
  • Verizon Maryland, Inc.
  • Xo Maryland, Llc
  • Xspedius Management Co. Switched Se

The state in which 240 is predominately located is: MD. There are additional area codes within MD, including: 301, 410 and 443.

Did you know? Here are some other interesting tidbits about 240:

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