Maryland Area Codes And Cell Phones
The state of Maryland contains exactly 4 area codes. Use the links below to see information about each of these area codes within Maryland.
There are 4 areacodes within Maryland. Here are the counties within each areacode:
240 - Allegany, Anne Arundel, Baltimore City, Charles, District Of Columbia, Fairfax, Frederick, Garrett, Howard, Montgomery, Prince George's, Saint Mary's and Washington
301 - Alexandria City, Allegany, Anne Arundel, Baltimore City, Calvert, Charles, Frederick, Garrett, Howard, Montgomery, Prince George's, Saint Mary's, Saint Marys and Washington
410 - Anne Arundel, Baltimore, Baltimore City, Calvert, Caroline, Carroll, Cecil, District Of Columbia, Dorchester, Harford, Howard, Kent, Prince George's, Queen Anne's, Queen Annes, Somerset, Talbot, Wicomico and Worcester
443 - Anne Arundel, Baltimore, Baltimore City, Calvert, Caroline, Carroll, Cecil, Dorchester, Fairfax, Harford, Howard, Kent, Prince George's, Queen Anne's, Somerset, Talbot, Wicomico and Worcester
Phone companies and carriers that operate from Maryland are
Allegiance Telecom Of Maryland, Inc, Aquis Communications, Inc., Arbros Communications Licensing Com, Arch Wireless Holdings, Armstrong Tel Co, At&t - Local, Atx Telecommunications Services, Lt, Baltimore-Washington Telephone Bwt, Blue Licenses Holding, Llc, Broadstreet Communications, Inc. -, Broadwing Communications, Llc, Cavalier East Llc, Cavalier Telephone, L.L.C., Cellco Partnership Dba Verizon Wireless, Comcast Business Communications, In, Comcast Phone Of Maryland, Inc. - M, Comcast Phone Of Northern Maryland,, Core Communications, Ctc Communications, Dobson Cellular Systems, Inc., Dslnet Communications Va, Inc., Geotek Communications, Inc., Global Crossing Local Services, Inc, Global Naps, Global Naps South, Inc., Idt America Corp., Kmc Telecom Iii, Level 3 Communications, Llc, Lightwave Communications, Llc - Md, Mci Metro Ats, Inc., Mci Worldcom Communications, Inc. -, Metrocall, Mte, Inc. Dba Mte Paging Network, Nationsline, Inc.-Md, New Frontiers Telecommunications, I, Nextel Communications, Inc., Omnipoint Communications Cap Operat, Omnipoint Communications Enterprise, Omnipoint Miami E License, Llc, Pac-West Telecomm, Inc., Paetec Communications, Inc., Quantum Telecommunications, Inc. -, Redi-Call Communications Co, Sbc Telecom, Southwestern Bell Mobile Systems, L, Sprint Communications Company, Sprint Spectrum L.P., Starpower Communications, Llc, Telcove Operations, Inc., Teleport Commun Group, Tidalwave Telephone Inc., Us Lec Of Maryland, Inc., Us Lec Of Virginia Llc - Dc, Uscoc Of Cumberland, Inc. Dba Unite, Vdl, Inc. Dba Global Telecom Broker, Verizon Maryland, Inc., Verizon West Virginia, Inc., Weblink Wireless, Inc., Winstar Communications, Llc, Xo Maryland, Llc, Xspedius Management Co. Switched Se and Ymax Communcations Corp.
(Remember that due to the portability of phone numbers, it's impossible to trace exactly which carriers conduct business within any specific county in Maryland.)
More information about Maryland on the web can be found at:
Maryland's Wikipedia entry || DMOZ Directory
Maryland's area codes number 4. There are 90 unique carriers (i.e. phone companies) within the borders of Maryland (each is listed above).
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