Area Code 240

Area code 240 serves the state of Maryland. This area code was assigned on June 21st, 1996. On June 1st, 1997 it went into service. 240 is a General Purpose Code. 240 service area does overlap with 301 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.

Area Code 240 Prefixes

Prefix Location Usage Company
240-201 Ridge, MD Landline Peerless Network Of Maryland, Llc
240-203 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
240-207 Damascus, MD Landline Cavalier East Llc - Md
240-208 La Plata, MD Landline Peerless Network Of Maryland, Llc
240-209 Indian Head, MD Landline Peerless Network Of Maryland, Llc
240-210 Waldorf, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-212 Oakland, MD Landline Core Communications, Inc. - Md
240-213 Waldorf, MD Landline Peerless Network Of Maryland, Llc
240-214 Mechanicsville, MD Landline Peerless Network Of Maryland, Llc
240-215 Frederick, MD Landline Telcove Operations, Inc. - Md
240-216 Waldorf, MD Wireless Sprint Spectrum L.p.
240-217 Hagerstown, MD Wireless Omnipoint Communications Cap Operations, Llc
240-218 Nanjemoy, MD Landline Peerless Network Of Maryland, Llc
240-219 Ridge, MD Landline Peerless Network Of Maryland, Llc
240-220 Poolesville, MD Landline Peerless Network Of Maryland, Llc
240-222 Waldorf, MD Landline Cavalier Telephone Mid-atlantic, Llc - Md
240-224 Gaithersburg, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-225 Frederick, MD Landline Core Communications, Inc. - Md
240-229 Waldorf, MD Landline Broadwing Communications. Llc - Md
240-230 Hughesville, MD Landline Global Crossing Local Services, Inc.-md
240-231 Hagerstown, MD Landline Core Communications, Inc. - Md
240-236 Frederick, MD Landline Verizon Maryland, Inc.
240-239 Leonardtown, MD Landline Core Communications, Inc. - Md
240-243 Gaithersburg, MD Landline Allegiance Telecom, Inc. - Md
240-246 Gaithersburg, MD Landline Starpower Communications, Llc - Md
240-248 Ridge, MD Landline Peerless Network Of Maryland, Llc
240-249 Mechanicsville, MD Landline Teleport Communications America, Llc - Dc
240-250 Brandywine, MD Landline Peerless Network Of Maryland, Llc
240-252 Gaithersburg, MD Landline Level 3 Communications, Llc - Md
240-254 Hughesville, MD Landline Teleport Communications America, Llc - Dc
240-255 Poolesville, MD Landline Peerless Network Of Maryland, Llc
240-256 Leonardtown, MD Landline Teleport Communications America, Llc - Dc
240-257 Nanjemoy, MD Landline Teleport Communications America, Llc - Dc
240-258 Ridge, MD Landline Teleport Communications America, Llc - Dc
240-261 Gaithersburg, MD Landline Neutral Tandem-maryland, Llc - Md
240-264 Laurel, MD Landline Verizon Maryland, Inc.
240-267 Hagerstown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-270 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-275 Grantsville, MD Landline Core Communications, Inc. - Md
240-278 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-279 Waldorf, MD Landline Core Communications, Inc. - Md
240-280 Laurel, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
240-282 Mechanicsville, MD Landline Peerless Network Of Maryland, Llc
240-284 Frostburg, MD Landline Level 3 Communications, Llc - Md
240-285 Frederick, MD Landline Cellco Partnership Dba Verizon Wireless - Md
240-287 Hancock, MD Landline Core Communications, Inc. - Md
240-288 Thurmont, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
240-291 Hagerstown, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-294 Laurel, MD Landline Xo Maryland, Llc
240-295 Laurel, MD Landline Cavalier Telephone Mid-atlantic, Llc - Md
240-298 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-299 Waldorf, MD Wireless Sprint Spectrum L.p.
240-300 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-302 Laurel, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-306 Gaithersburg, MD Landline Allegiance Telecom, Inc. - Md
240-307 Emmitsburg, MD Landline At&t Local
240-308 Damascus, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-309 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-310 Hagerstown, MD Wireless Uscoc Of Cumberland, Inc. Dba United States Cel Md
240-313 Hagerstown, MD Landline Verizon Maryland, Inc.
240-315 Frederick, MD Landline Verizon Maryland, Inc.
240-319 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-320 Waldorf, MD Landline Cavalier East Llc - Md
240-321 Oakland, MD Wireless Uscoc Of Cumberland, Inc. Dba United States Cel Md
240-323 Emmitsburg, MD Landline Core Communications, Inc. - Md
240-324 Ashton, MD Landline Ymax Communications Corp. - Md
240-325 Damascus, MD Landline Core Communications, Inc. - Md
240-327 Gaithersburg, MD Landline Core Communications, Inc. - Md
240-329 Hagerstown, MD Landline Level 3 Communications, Llc - Md
240-341 Buckeystown, MD Landline Mci Worldcom Communications, Inc. - Md
240-342 Ashton, MD Landline Starpower Communications, Llc - Md
240-343 Hancock, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-344 Frederick, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-345 Ashton, MD Landline Level 3 Communications, Llc - Md
240-346 Waldorf, MD Wireless Sprint Spectrum L.p.
240-347 Hagerstown, MD Landline Bandwidth.com Clec, Llc - Md
240-349 La Plata, MD Landline Global Crossing Local Services, Inc.-md
240-352 La Plata, MD Landline Peerless Network Of Maryland, Llc
240-356 Myersville, MD Landline Level 3 Communications, Llc - Md
240-357 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-358 Damascus, MD Landline Peerless Network Of Maryland, Llc
240-359 Indian Head, MD Landline Peerless Network Of Maryland, Llc
240-360 Laurel, MD Wireless Omnipoint Communications Cap Operations, Llc
240-361 Gaithersburg, MD Landline Cavalier Telephone Mid-atlantic, Llc - Md
240-362 Cumberland, MD Landline Verizon Maryland, Inc.
240-364 Gaithersburg, MD Landline Cavalier East Llc - Md
240-365 Damascus, MD Landline Baltimore-washington Telephone (bwt)
240-366 Williamsport, MD Landline At&t Local
240-367 Frederick, MD Wireless Sprint Spectrum L.p.
240-368 Waldorf, MD Landline Peerless Network Of Maryland, Llc
240-369 Mount Airy, MD Landline Core Communications, Inc. - Md
240-372 Gaithersburg, MD Wireless Sprint Spectrum L.p.
240-374 Laurel, MD Landline Global Crossing Local Services, Inc.-md
240-376 Hughesville, MD Landline Peerless Network Of Maryland, Llc
240-377 Indian Head, MD Landline Global Crossing Local Services, Inc.-md
240-378 Cumberland, MD Landline Core Communications, Inc. - Md
240-379 Frederick, MD Landline Verizon Maryland, Inc.
240-382 Hagerstown, MD Landline Teleport Communications America, Llc - Md
240-385 Myersville, MD Landline Verizon Maryland, Inc.
240-388 Gaithersburg, MD Wireless Sprint Spectrum L.p.
240-389 Ashton, MD Landline Atx Telecommunications Services, Ltd
240-390 Ashton, MD Landline Cavalier Telephone Mid-atlantic, Llc - Md
240-394 Mount Airy, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-397 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-404 Gaithersburg, MD Landline Xo Maryland, Llc
240-405 Frederick, MD Landline Us Lec Of Maryland, Inc.
240-409 Frederick, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-412 Waldorf, MD Wireless Sprint Spectrum L.p.
240-415 Frederick, MD Landline Ymax Communications Corp. - Md
240-416 Waldorf, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-419 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-420 Hagerstown, MD Landline Verizon Maryland, Inc.
240-422 Frederick, MD Wireless Omnipoint Communications Cap Operations, Llc
240-427 Waldorf, MD Landline Xo Maryland, Llc
240-434 Leonardtown, MD Landline Broadwing Communications. Llc - Md
240-435 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-436 Buckeystown, MD Landline Telcove Operations, Inc. - Md
240-437 Ashton, MD Landline Xo Maryland, Llc
240-439 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-440 Frederick, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-442 Oakland, MD Landline Verizon Maryland, Inc.
240-444 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-446 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-448 Waldorf, MD Wireless Sprint Spectrum L.p.
240-449 Gaithersburg, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-451 Thurmont, MD Landline Neutral Tandem-maryland, Llc - Md
240-452 Hagerstown, MD Landline Lumos Networks Inc. - Va
240-454 Gaithersburg, MD Wireless Paetec Communications, Inc. - Md
240-456 Laurel, MD Landline Verizon Maryland, Inc.
240-457 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-458 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-459 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-466 Mechanicsville, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-469 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
240-470 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-474 Gaithersburg, MD Landline Baltimore-washington Telephone (bwt)
240-477 Gaithersburg, MD Landline Lightwave Communications, Llc - Md
240-484 Laurel, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-488 Oakland, MD Landline Shentel Communications, Llc - Md
240-489 Poolesville, MD Landline Xo Maryland, Llc
240-490 Middletown, MD Wireless Omnipoint Communications Cap Operations, Llc
240-496 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-500 Hagerstown, MD Landline Us Lec Of Maryland, Inc.
240-513 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
240-517 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-518 Waldorf, MD Wireless Sprint Spectrum L.p.
240-520 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
240-522 Cumberland, MD Wireless Sprint Spectrum L.p.
240-523 La Plata, MD Landline Xo Maryland, Llc
240-524 Laurel, MD Landline Peerless Network Of Maryland, Llc
240-526 Leonardtown, MD Landline Peerless Network Of Maryland, Llc
240-527 Hagerstown, MD Landline Verizon Maryland, Inc.
240-528 Hughesville, MD Landline Broadwing Communications. Llc - Md
240-529 Frederick, MD Landline Verizon Maryland, Inc.
240-530 Waldorf, MD Landline Local Access Llc - Md
240-536 Ashton, MD Landline Peerless Network Of Maryland, Llc
240-538 Leonardtown, MD Landline Xo Maryland, Llc
240-547 Laurel, MD Landline Level 3 Communications, Llc - Md
240-549 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-554 Laurel, MD Landline Allegiance Telecom, Inc. - Md
240-559 Ashton, MD Landline Allegiance Telecom, Inc. - Md
240-561 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-562 Gaithersburg, MD Landline Mcimetro Access Transmission Services Llc
240-565 Laurel, MD Wireless Omnipoint Communications Cap Operations, Llc
240-566 Frederick, MD Landline Verizon Maryland, Inc.
240-568 Laurel, MD Landline Verizon Maryland, Inc.
240-570 Ashton, MD Landline Neutral Tandem-maryland, Llc - Md
240-575 Frederick, MD Landline Level 3 Communications, Llc - Md
240-577 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-578 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-580 Cumberland, MD Wireless Sprint Spectrum L.p.
240-581 Laurel, MD Landline Paetec Communications, Inc. - Dc
240-583 Laurel, MD Landline Verizon Maryland, Inc.
240-585 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-586 Frederick, MD Landline Verizon Maryland, Inc.
240-587 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-593 Laurel, MD Wireless Omnipoint Communications Cap Operations, Llc
240-597 Gaithersburg, MD Landline Peerless Network Of Maryland, Llc
240-607 Waldorf, MD Landline Global Crossing Local Services, Inc.-md
240-608 Frederick, MD Wireless 365 Wireless, Llc
240-609 Cumberland, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-625 Hagerstown, MD Wireless Sprint Spectrum L.p.
240-626 Frederick, MD Wireless Sprint Spectrum L.p.
240-629 Frederick, MD Landline Verizon Maryland, Inc.
240-631 Gaithersburg, MD Landline Verizon Maryland, Inc.
240-632 Gaithersburg, MD Landline Verizon Maryland, Inc.
240-633 Hughesville, MD Landline Baltimore-washington Telephone (bwt)
240-636 Laurel, MD Wireless Omnipoint Communications Cap Operations, Llc
240-640 Waldorf, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-646 Laurel, MD Landline Cavalier East Llc - Md
240-651 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-652 Mechanicsville, MD Landline Xo Maryland, Llc
240-654 Gaithersburg, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-657 Frostburg, MD Landline Mci Worldcom Communications, Inc. - Md
240-666 Nanjemoy, MD Landline Voxbeam Telecommunications Inc. - Md
240-668 Damascus, MD Landline Starpower Communications, Llc - Md
240-674 Frederick, MD Wireless Sprint Spectrum L.p.
240-675 Myersville, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-681 Brandywine, MD Landline Atx Telecommunications Services, Ltd
240-682 Waldorf, MD Landline Starpower Communications, Llc - Md
240-683 Gaithersburg, MD Landline Verizon Maryland, Inc.
240-685 Brandywine, MD Landline Global Crossing Local Services, Inc.-md
240-686 Gaithersburg, MD Landline Verizon Maryland, Inc.
240-690 Gaithersburg, MD Landline Teleport Communications America, Llc - Dc
240-699 Buckeystown, MD Landline Verizon Maryland, Inc.
240-702 Gaithersburg, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-707 Hagerstown, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-708 Laurel, MD Wireless Level 3 Communications, Llc - Md
240-712 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-713 Laurel, MD Landline Peerless Network Of Maryland, Llc
240-720 Gaithersburg, MD Landline Global Crossing Local Services, Inc.-md
240-722 Ashton, MD Landline Global Crossing Local Services, Inc.-md
240-727 Cumberland, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-732 Mount Airy, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-734 Smithsburg, MD Landline Bandwidth.com Clec, Llc - Md
240-745 Damascus, MD Landline Xo Maryland, Llc
240-750 Gaithersburg, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-751 Gaithersburg, MD Landline Telcove Operations, Inc. - Md
240-754 Waldorf, MD Landline Level 3 Communications, Llc - Md
240-755 Laurel, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
240-758 Laurel, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-771 Poolesville, MD Landline Neutral Tandem-maryland, Llc - Md
240-772 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-774 Lonaconing, MD Landline Bandwidth.com Clec, Llc - Md
240-775 Westernport, MD Landline Bandwidth.com Clec, Llc - Md
240-776 La Plata, MD Landline Broadwing Communications. Llc - Md
240-779 Ashton, MD Landline Cavalier East Llc - Md
240-780 Gaithersburg, MD Landline Broadwing Communications. Llc - Md
240-782 Damascus, MD Landline Global Crossing Local Services, Inc.-md
240-784 Myersville, MD Wireless Omnipoint Communications Cap Operations, Llc
240-786 Laurel, MD Landline Broadwing Communications. Llc - Md
240-787 Brandywine, MD Landline Broadwing Communications. Llc - Md
240-793 Gaithersburg, MD Wireless Sprint Spectrum L.p.
240-801 Gaithersburg, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-803 Cumberland, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-805 Gaithersburg, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-806 Indian Head, MD Landline Peerless Network Of Maryland, Llc
240-808 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-812 Poolesville, MD Landline Global Crossing Local Services, Inc.-md
240-813 Gaithersburg, MD Landline Atx Telecommunications Services, Ltd
240-815 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-816 Keedysville, MD Landline Bandwidth.com Clec, Llc - Md
240-817 Ashton, MD Wireless Omnipoint Communications Cap Operations, Llc
240-818 Myersville, MD Landline Verizon Maryland, Inc.
240-823 Brandywine, MD Landline Xo Maryland, Llc
240-831 Frederick, MD Landline Neutral Tandem-maryland, Llc - Md
240-837 Hughesville, MD Landline Xo Maryland, Llc
240-841 Laurel, MD Landline Allegiance Telecom, Inc. - Md
240-844 Ridge, MD Landline Xo Maryland, Llc
240-848 Gaithersburg, MD Wireless Sprint Spectrum L.p.
240-850 Hagerstown, MD Landline Peerless Network Of Maryland, Llc
240-856 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-859 Ashton, MD Landline Broadvox-clec, Llc - Md
240-860 Cumberland, MD Landline Peerless Network Of Maryland, Llc
240-862 Mount Savage, MD Landline Neutral Tandem-maryland, Llc - Md
240-870 Middletown, MD Landline Neutral Tandem-maryland, Llc - Md
240-877 Frederick, MD Landline Neutral Tandem-maryland, Llc - Md
240-883 Ashton, MD Landline Broadwing Communications. Llc - Md
240-901 La Plata, MD Landline Centurylink Communications Llc
240-903 Indian Head, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
240-904 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-908 Walkersville, MD Landline Neutral Tandem-maryland, Llc - Md
240-912 Gaithersburg, MD Landline Us Lec Of Maryland, Inc.
240-913 Damascus, MD Landline Neutral Tandem-maryland, Llc - Md
240-915 New Market, MD Landline Neutral Tandem-maryland, Llc - Md
240-917 Laurel, MD Wireless New Cingular Wireless Pcs, Llc - Dc
240-918 Ashton, MD Wireless Omnipoint Communications Cap Operations, Llc
240-920 Cumberland, MD Landline Level 3 Communications, Llc - Md
240-925 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
240-938 Ashton, MD Wireless Omnipoint Communications Cap Operations, Llc
240-964 Cumberland, MD Landline Verizon Maryland, Inc.
240-971 Frederick, MD Landline Centurylink Communications Llc
240-972 Laurel, MD Landline Baltimore-washington Telephone (bwt)
240-976 Damascus, MD Baltimore-washington Telephone (bwt)
240-979 Cumberland, MD Landline Level 3 Communications, Llc - Md
240-985 Williamsport, MD Landline Centurylink Communications Llc
240-986 Nanjemoy, MD Landline Xo Maryland, Llc
240-993 Indian Head, MD Landline Xo Maryland, Llc
240-996 Brunswick, MD Landline Centurylink Communications Llc
240-998 Hancock, MD Landline Centurylink Communications Llc