Area Code 301

Area code 301 serves the state of Maryland. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 301 is a General Purpose Code. 301 service area does overlap with 240 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D.

Area Code 301 Prefixes

Prefix Location Usage Company
301-200 Indian Head, MD Landline Bandwidth.com Clec, Llc - Md
301-208 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-210 Laurel, MD Landline Verizon Maryland, Inc.
301-216 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-223 Williamsport, MD Landline Verizon Maryland, Inc.
301-228 Frederick, MD Landline Verizon Maryland, Inc.
301-232 Ashton, MD Landline Mci Worldcom Communications, Inc. - Md
301-242 Brandywine, MD Landline Mcimetro Access Transmission Services Llc
301-245 Bittinger, MD Landline Verizon Maryland, Inc.
301-246 Nanjemoy, MD Landline Verizon Maryland, Inc.
301-247 Leonardtown, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-250 Gaithersburg, MD Landline Mci Worldcom Communications, Inc. - Md
301-252 Gaithersburg, MD Wireless Sprint Spectrum L.p.
301-253 Damascus, MD Landline Verizon Maryland, Inc.
301-256 Laurel, MD Landline Mci Worldcom Communications, Inc. - Md
301-260 Ashton, MD Landline Verizon Maryland, Inc.
301-264 Mount Savage, MD Landline Verizon Maryland, Inc.
301-266 Waldorf, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-268 Cumberland, MD Wireless Uscoc Of Cumberland, Inc. Dba United States Cel Md
301-271 Thurmont, MD Landline Verizon Maryland, Inc.
301-274 Hughesville, MD Landline Verizon Maryland, Inc.
301-290 Mechanicsville, MD Landline Verizon Maryland, Inc.
301-293 Myersville, MD Landline Verizon Maryland, Inc.
301-302 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
301-304 Walkersville, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
301-305 Frederick, MD Wireless Sprint Spectrum L.p.
301-310 Laurel, MD Landline Verizon Maryland, Inc.
301-317 Laurel, MD Landline Verizon Maryland, Inc.
301-323 Laurel, MD Landline Level 3 Telecom Of Maryland, Llc - Md
301-329 Ashton, MD Wireless Cavalier Telephone Mid-atlantic, Llc - Md
301-330 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-331 Hagerstown, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-334 Oakland, MD Landline Verizon Maryland, Inc.
301-337 Gaithersburg, MD Landline Mci Worldcom Communications, Inc. - Md
301-338 Cumberland, MD Landline Idt America Corp - Md
301-349 Poolesville, MD Landline Verizon Maryland, Inc.
301-355 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-356 Laurel, MD Landline Vdl, Inc. Dba Global Telecom Brokers - Md
301-359 Westernport, MD Landline Verizon Maryland, Inc.
301-360 Frederick, MD Landline Verizon Maryland, Inc.
301-362 Laurel, MD Landline Verizon Maryland, Inc.
301-363 Damascus, MD Landline Level 3 Communications, Llc - Md
301-366 Gaithersburg, MD Wireless Sprint Spectrum L.p.
301-368 Damascus, MD Landline Verizon Maryland, Inc.
301-370 Gaithersburg, MD Wireless Sprint Spectrum L.p.
301-371 Middletown, MD Landline Verizon Maryland, Inc.
301-373 Leonardtown, MD Landline Verizon Maryland, Inc.
301-374 Waldorf, MD Landline Verizon Maryland, Inc.
301-375 Indian Head, MD Landline Verizon Maryland, Inc.
301-376 Laurel, MD Wireless Verizon Maryland, Inc.
301-377 Laurel, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
301-378 Frederick, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
301-387 Oakland, MD Landline Verizon Maryland, Inc.
301-391 Damascus, MD Landline Verizon Maryland, Inc.
301-392 La Plata, MD Landline Verizon Maryland, Inc.
301-393 Hagerstown, MD Landline Verizon Maryland, Inc.
301-395 Laurel, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-396 Waldorf, MD Landline Verizon Maryland, Inc.
301-399 Waldorf, MD Wireless Sprint Spectrum L.p.
301-401 Frederick, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-407 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-414 Damascus, MD Landline Verizon Maryland, Inc.
301-416 Myersville, MD Landline Verizon Maryland, Inc.
301-418 Frederick, MD Landline Verizon Maryland, Inc.
301-421 Ashton, MD Landline Verizon Maryland, Inc.
301-432 Keedysville, MD Landline Verizon Maryland, Inc.
301-447 Emmitsburg, MD Landline Verizon Maryland, Inc.
301-453 Kitzmiller, MD Landline Verizon Maryland, Inc.
301-462 Myersville, MD Wireless Sprint Spectrum L.p. - Md
301-463 Lonaconing, MD Landline Verizon Maryland, Inc.
301-465 Myersville, MD Wireless Sprint Spectrum L.p. - Md
301-471 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-472 Mechanicsville, MD Landline Verizon Maryland, Inc.
301-473 Frederick, MD Landline Verizon Maryland, Inc.
301-475 Leonardtown, MD Landline Verizon Maryland, Inc.
301-476 Ashton, MD Landline Verizon Maryland, Inc.
301-478 Flintstone, MD Landline Verizon Maryland, Inc.
301-481 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-482 Damascus, MD Landline Verizon Maryland, Inc.
301-483 Laurel, MD Landline Verizon Maryland, Inc.
301-487 Myersville, MD Landline Verizon Maryland, Inc.
301-490 Laurel, MD Landline Verizon Maryland, Inc.
301-491 Hagerstown, MD Wireless Uscoc Of Cumberland, Inc. Dba United States Cel Md
301-497 Laurel, MD Landline Verizon Maryland, Inc.
301-498 Laurel, MD Landline Verizon Maryland, Inc.
301-501 Oakland, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-508 Myersville, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-514 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-515 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-519 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-524 Frederick, MD Wireless Sprint Spectrum L.p.
301-525 Gaithersburg, MD Landline Quantum Telecommunications, Inc. - Md
301-527 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-528 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-532 Laurel, MD Wireless Omnipoint Communications Cap Operations, Llc
301-533 Oakland, MD Landline Verizon Maryland, Inc.
301-534 Indian Head, MD Landline Ymax Communications Corp. - Md
301-535 Waldorf, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-536 Leonardtown, MD Wireless Sprint Spectrum L.p.
301-539 La Plata, MD Landline Teleport Communications America, Llc - Dc
301-540 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-542 Waldorf, MD Landline Teleport Communications America, Llc - Dc
301-543 Laurel, MD Landline Teleport Communications America, Llc - Dc
301-549 Ashton, MD Landline Verizon Maryland, Inc.
301-553 Waldorf, MD Wireless Usa Mobility Wireless, Inc.
301-556 Gaithersburg, MD Landline Teleport Communications America, Llc - Dc
301-569 Gaithersburg, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-570 Ashton, MD Landline Verizon Maryland, Inc.
301-573 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
301-575 Laurel, MD Landline Us Lec Of Maryland, Inc.
301-579 Brandywine, MD Landline Verizon Maryland, Inc.
301-582 Hagerstown, MD Landline Verizon Maryland, Inc.
301-591 Gaithersburg, MD Landline Paetec Communications, Inc. - Md
301-596 Laurel, MD Landline Verizon Maryland, Inc.
301-597 Hancock, MD Landline New Frontiers Telecommunications, Inc.
301-600 Frederick, MD Landline Verizon Maryland, Inc.
301-604 Laurel, MD Landline Verizon Maryland, Inc.
301-606 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-607 Damascus, MD Landline Verizon Maryland, Inc.
301-609 Waldorf, MD Landline Verizon Maryland, Inc.
301-616 Oakland, MD Wireless Uscoc Of Cumberland, Inc. Dba United States Cel Md
301-617 Laurel, MD Landline Verizon Maryland, Inc.
301-619 Frederick, MD Landline Verizon Maryland, Inc.
301-620 Frederick, MD Landline Verizon Maryland, Inc.
301-624 Frederick, MD Landline Verizon Maryland, Inc.
301-631 Frederick, MD Landline Verizon Maryland, Inc.
301-632 Waldorf, MD Landline Verizon Maryland, Inc.
301-635 Myersville, MD Landline New Frontiers Telecommunications, Inc.
301-638 Waldorf, MD Landline Verizon Maryland, Inc.
301-639 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-643 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-644 Frederick, MD Landline Verizon Maryland, Inc.
301-645 Waldorf, MD Landline Verizon Maryland, Inc.
301-653 Waldorf, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-658 Ashton, MD Landline Teleport Communications America, Llc - Dc
301-659 Waldorf, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-660 Keedysville, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-662 Frederick, MD Landline Verizon Maryland, Inc.
301-663 Frederick, MD Landline Verizon Maryland, Inc.
301-665 Hagerstown, MD Landline Verizon Maryland, Inc.
301-667 Myersville, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-668 Frederick, MD Landline Verizon Maryland, Inc.
301-671 Hagerstown, MD Landline New Frontiers Telecommunications, Inc.
301-673 Frederick, MD Landline New Frontiers Telecommunications, Inc.
301-676 Frederick, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-678 Hancock, MD Landline Verizon Maryland, Inc.
301-682 Frederick, MD Landline Verizon Maryland, Inc.
301-684 Indian Head, MD Landline Teleport Communications America, Llc - Dc
301-685 Damascus, MD Landline Teleport Communications America, Llc - Dc
301-687 Frostburg, MD Landline Verizon Maryland, Inc.
301-689 Frostburg, MD Landline Verizon Maryland, Inc.
301-690 Leonardtown, MD Landline Idt America Corp - Md
301-691 Poolesville, MD Landline Teleport Communications America, Llc - Dc
301-693 Frederick, MD Wireless Omnipoint Communications Cap Operations, Llc
301-694 Frederick, MD Landline Verizon Maryland, Inc.
301-695 Frederick, MD Landline Verizon Maryland, Inc.
301-696 Frederick, MD Landline Verizon Maryland, Inc.
301-697 Cumberland, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-698 Frederick, MD Landline Verizon Maryland, Inc.
301-703 Mount Airy, MD Landline Level 3 Communications, Llc - Md
301-705 Waldorf, MD Landline Verizon Maryland, Inc.
301-707 Cumberland, MD Wireless Uscoc Of Cumberland, Inc. Dba United States Cel Md
301-708 Laurel, MD Wireless Cavalier Telephone Mid-atlantic, Llc - Md
301-710 Waldorf, MD Landline Level 3 Communications, Llc - Md
301-712 Frederick, MD Landline Mci Worldcom Communications, Inc. - Md
301-714 Hagerstown, MD Landline Verizon Maryland, Inc.
301-720 Brandywine, MD Landline Teleport Communications America, Llc - Dc
301-722 Cumberland, MD Landline Verizon Maryland, Inc.
301-723 Cumberland, MD Landline Verizon Maryland, Inc.
301-724 Cumberland, MD Landline Verizon Maryland, Inc.
301-725 Laurel, MD Landline Verizon Maryland, Inc.
301-729 Cumberland, MD Landline Verizon Maryland, Inc.
301-730 Myersville, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-732 Frederick, MD Wireless Metro Pcs, Inc.
301-733 Hagerstown, MD Landline Verizon Maryland, Inc.
301-739 Hagerstown, MD Landline Verizon Maryland, Inc.
301-740 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-741 Laurel, MD Landline Level 3 Communications, Llc - Md
301-743 Indian Head, MD Landline Verizon Maryland, Inc.
301-744 Indian Head, MD Landline Verizon Maryland, Inc.
301-745 Hagerstown, MD Landline Verizon Maryland, Inc.
301-746 Friendsville, MD Landline Verizon Maryland, Inc.
301-748 Frederick, MD Wireless Sprint Spectrum L.p.
301-750 Friendsville, MD Landline Core Communications, Inc. - Md
301-751 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-752 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-759 Cumberland, MD Landline Verizon Maryland, Inc.
301-764 Waldorf, MD Landline Verizon Maryland, Inc.
301-766 Hagerstown, MD Landline Verizon Maryland, Inc.
301-769 Leonardtown, MD Landline Verizon Maryland, Inc.
301-774 Ashton, MD Landline Verizon Maryland, Inc.
301-776 Laurel, MD Landline Verizon Maryland, Inc.
301-777 Cumberland, MD Landline Verizon Maryland, Inc.
301-781 Frostburg, MD Landline New Frontiers Telecommunications, Inc.
301-782 Brandywine, MD Landline Verizon Maryland, Inc.
301-783 Cumberland, MD Landline New Frontiers Telecommunications, Inc.
301-784 Cumberland, MD Landline Verizon Maryland, Inc.
301-788 Frederick, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-790 Hagerstown, MD Landline Verizon Maryland, Inc.
301-791 Hagerstown, MD Landline Verizon Maryland, Inc.
301-797 Hagerstown, MD Landline Verizon Maryland, Inc.
301-798 Damascus, MD Landline Verizon Maryland, Inc.
301-799 Keedysville, MD Landline Core Communications, Inc. - Md
301-800 Hagerstown, MD Wireless Virginia Pcs Alliance, L.c.
301-804 Ashton, MD Landline Mcimetro Access Transmission Services Llc
301-810 Buckeystown, MD Landline At&t Local
301-815 Frederick, MD Landline Verizon Maryland, Inc.
301-818 Waldorf, MD Landline Bandwidth.com Clec, Llc - Md
301-820 Gaithersburg, MD Landline At&t Local
301-821 Laurel, MD Landline At&t Local
301-824 Smithsburg, MD Landline Verizon Maryland, Inc.
301-829 Mount Airy, MD Landline Verizon Maryland, Inc.
301-831 Damascus, MD Landline Verizon Maryland, Inc.
301-834 Brunswick, MD Landline Verizon Maryland, Inc.
301-835 Hagerstown, MD
301-842 Clear Spring, MD Landline Verizon Maryland, Inc.
301-845 Walkersville, MD Landline Verizon Maryland, Inc.
301-846 Frederick, MD Landline Verizon Maryland, Inc.
301-848 Waldorf, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-849 Oakland, MD Landline New Frontiers Telecommunications, Inc.
301-854 Ashton, MD Landline Verizon Maryland, Inc.
301-857 Clear Spring, MD Landline Core Communications, Inc. - Md
301-859 Oakland, MD Landline Level 3 Communications, Llc - Md
301-861 Waldorf, MD Landline Level 3 Communications, Llc - Md
301-865 New Market, MD Landline Verizon Maryland, Inc.
301-869 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-872 Ridge, MD Landline Verizon Maryland, Inc.
301-874 Buckeystown, MD Landline Verizon Maryland, Inc.
301-875 Laurel, MD Landline Cellco Partnership Dba Verizon Wireless - Md
301-876 Cumberland, MD Landline Level 3 Communications, Llc - Md
301-882 New Market, MD Landline Core Communications, Inc. - Md
301-884 Mechanicsville, MD Landline Verizon Maryland, Inc.
301-885 Waldorf, MD Landline Verizon Maryland, Inc.
301-895 Grantsville, MD Landline Verizon Maryland, Inc.
301-898 Frederick, MD Landline Verizon Maryland, Inc.
301-904 Leonardtown, MD Wireless Cellco Partnership Dba Verizon Wireless - Md
301-914 Oakland, MD Landline Mountain Communications, Llc Dba Procom - Md
301-916 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-926 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-932 Waldorf, MD Landline Verizon Maryland, Inc.
301-934 La Plata, MD Landline Verizon Maryland, Inc.
301-936 Hagerstown, MD Landline Telnyx Llc
301-944 Gaithersburg, MD Landline Mcimetro Access Transmission Services Llc
301-947 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-956 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-957 Laurel, MD Landline Mcimetro Access Transmission Services Llc
301-963 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-964 Myersville, MD Wireless New Cingular Wireless Pcs, Llc - Dc
301-969 Brunswick, MD Landline Comcast Phone Of Northern Maryland, Inc. - Md
301-972 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-974 Laurel, MD Landline Starpower Communications, Llc - Md
301-977 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-987 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-988 Hagerstown, MD Wireless Uscoc Of Cumberland, Inc. Dba United States Cel Md
301-990 Gaithersburg, MD Landline Verizon Maryland, Inc.
301-991 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
301-992 Hagerstown, MD Wireless Sprint Spectrum L.p. - Md
301-997 Leonardtown, MD Landline Verizon Maryland, Inc.
301-999 Hagerstown, MD