The 301 area code is located in Maryland (MD), USA, and some of the main cities covered are Germantown, Frederick, Silver Spring, … (see list below).
The 301 area code has been in service since 1 January 1947. It is the oldest Numbering Plan Area in overlay complex 301/240 (overlapping area codes cover the same geographic area).
It is currently 11:40:31 AM in area code 301 (Eastern Time).
301 Area Code Phone Lookup
301 Area Code MAP

Nearby to the 301 Area Codes
you’re probably always looking location map, cities, time zone, overlay codes, reverse phone lookup and related info. Well, one easy way to do that is by knowing your nearby area codes. That way, you don’t have to fumble through your phone’s keypad each time you want to make a call. Plus, it can come in handy when trying to find out where someone is calling from. So without further ado, here are the area codes for some of the most popular U.S. cities!
List of 941-NXX Prefixes and Corresponding Locations
We all know our location by its name and zip code, but do you know your city’s postal prefix? Chances are, unless you work for the post office or are extremely interested in the subject matter, you don’t. But prefixes play a critical role in how mail is sorted and delivered, so it’s important to be aware of them. This blog post will take a closer look at what prefixes are and their corresponding locations. Stay tuned!
Are you curious about the prefixes and corresponding locations of the area code 301? This infographic is a great place to start. It provides an overview of 301 area code, including its name, prefixes and date. The infographic also includes a map that shows the location of each area code. this guide is sure to come in handy. Enjoy!
NPANXX | Area served | Date |
---|---|---|
301-200 | Indian Head | 2/24/2011 |
301-202 | Washington Zone 2 | 12/19/2008 |
301-203 | Washington Zone 6 | |
301-204 | Washington Zone 2 | |
301-205 | Washington Zone 14 | |
301-206 | Washington Zone 13 | |
301-207 | Washington Zone 13 | |
301-208 | Gaithersburg | |
301-209 | Washington Zone 4 | |
301-210 | Laurel | |
301-212 | Washington Zone 10 | |
301-213 | Washington Zone 3 | |
301-214 | Washington Zone 2 | |
301-215 | Washington Zone 2 | |
301-216 | Gaithersburg | |
301-217 | Washington Zone 10 | |
301-218 | Washington Zone 14 | |
301-219 | Washington Zone 2 | |
301-220 | Washington Zone 13 | |
301-221 | Washington Zone 2 | |
301-222 | Washington Zone 2 | |
301-223 | Williamsport | |
301-224 | Washington Zone 2 | |
301-225 | Washington Zone 14 | 5/21/2009 |
301-226 | Washington Zone 4 | |
301-227 | Washington Zone 2 | |
301-228 | Frederick | |
301-229 | Washington Zone 2 | |
301-230 | Washington Zone 11 | |
301-231 | Washington Zone 11 | |
301-232 | Ashton | |
301-233 | Washington Zone 3 | |
301-234 | Washington Zone 16 | |
301-235 | Washington Zone 16 | |
301-236 | Washington Zone 12 | |
301-237 | Washington Zone 3 | |
301-238 | Washington Zone 16 | |
301-239 | Washington Zone 4 | |
301-240 | Washington Zone 10 | |
301-241 | Highfield | |
301-242 | Brandywine | |
301-243 | Washington Zone 2 | 7/20/2006 |
301-244 | Washington Zone 3 | |
301-245 | Bittinger | |
301-246 | Nanjemoy | |
301-247 | Leonardtown | |
301-248 | Washington Zone 6 | |
301-249 | Washington Zone 14 | |
301-250 | Gaithersburg | |
301-251 | Washington Zone 10 | |
301-252 | Gaithersburg | |
301-253 | Damascus | |
301-254 | Washington Zone 3 | |
301-255 | Washington Zone 11 | |
301-256 | Laurel | |
301-257 | Washington Zone 3 | |
301-258 | Washington Zone 10 | |
301-259 | Tompkinsville | |
301-260 | Ashton | |
301-261 | Washington Zone 14 | |
301-262 | Washington Zone 14 | |
301-263 | Washington Zone 2 | |
301-264 | Mt Savage | |
301-265 | Washington Zone 6 | |
301-266 | Waldorf | |
301-267 | Washington Zone 3 | 10/4/2011 |
301-268 | Cumberland | |
301-269 | Washington Zone 2 | 11/11/2014 |
301-270 | Washington Zone 3 | |
301-271 | Thurmont | |
301-272 | Washington Zone 2 | |
301-273 | Washington Zone 3 | |
301-274 | Hughesville | |
301-275 | Washington Zone 2 | |
301-276 | Washington Zone 4 | |
301-277 | Washington Zone 4 | |
301-278 | Washington Zone 5 | |
301-279 | Washington Zone 10 | |
301-280 | Washington Zone 2 | |
301-281 | Washington Zone 6 | |
301-282 | Washington Zone 12 | |
301-283 | Washington Zone 6 | |
301-284 | Washington Zone 10 | |
301-285 | Washington Zone 3 | |
301-286 | Washington Zone 13 | |
301-287 | Washington Zone 11 | |
301-288 | Washington Zone 12 | |
301-289 | Washington Zone 13 | |
301-290 | Mechanicsville | |
301-291 | Washington Zone 14 | |
301-292 | Washington Zone 6 | |
301-293 | Myersville | |
301-294 | Washington Zone 10 | |
301-295 | Washington Zone 2 | |
301-296 | Washington Zone 10 | |
301-297 | Washington Zone 16 | |
301-298 | Washington Zone 15 | |
301-299 | Washington Zone 10 | |
301-300 | Washington Zone 2 | 3/30/2007 |
301-302 | Hagerstown | 10/5/2004 |
301-303 | Washington Zone 13 | |
301-304 | Walkersville | 3/6/2007 |
301-305 | Frederick | |
301-306 | Washington Zone 4 | |
301-307 | Washington Zone 13 | |
301-308 | Washington Zone 13 | |
301-309 | Washington Zone 10 | |
301-310 | Laurel | |
301-312 | Washington Zone 2 | |
301-313 | Washington Zone 13 | |
301-314 | Washington Zone 4 | |
301-315 | Washington Zone 10 | |
301-316 | Washington Zone 5 | |
301-317 | Laurel | |
301-318 | Washington Zone 2 | |
301-319 | Washington Zone 2 | |
301-320 | Washington Zone 2 | |
301-321 | Washington Zone 11 | |
301-322 | Washington Zone 4 | |
301-323 | Laurel | |
301-324 | Washington Zone 5 | |
301-325 | Washington Zone 3 | |
301-326 | Washington Zone 3 | |
301-327 | Washington Zone 15 | 3/9/2006 |
301-328 | Washington Zone 3 | 6/21/2006 |
301-329 | Ashton | |
301-330 | Gaithersburg | |
301-331 | Hagerstown | |
301-332 | Washington Zone 3 | |
301-333 | Washington Zone 5 | |
301-334 | Oakland | |
301-335 | Washington Zone 2 | |
301-336 | Washington Zone 5 | |
301-337 | Gaithersburg | |
301-338 | Cumberland | 1/31/2006 |
301-339 | Washington Zone 10 | |
301-340 | Washington Zone 10 | |
301-341 | Washington Zone 4 | |
301-342 | Lexington Park-Great Mills | |
301-343 | Washington Zone 5 | |
301-344 | Washington Zone 13 | |
301-345 | Washington Zone 13 | |
301-346 | Washington Zone 3 | |
301-347 | Washington Zone 2 | |
301-348 | Washington Zone 11 | |
301-349 | Poolesville | |
301-350 | Washington Zone 5 | |
301-351 | Washington Zone 3 | |
301-352 | Washington Zone 14 | |
301-353 | Washington Zone 10 | |
301-354 | Washington Zone 10 | |
301-355 | Gaithersburg | 12/8/2005 |
301-356 | Laurel | |
301-357 | Washington Zone 3 | 10/12/2006 |
301-358 | Washington Zone 15 | |
301-359 | Westernport | |
301-360 | Frederick | |
301-361 | Washington Zone 4 | |
301-362 | Laurel | |
301-363 | Damascus | 8/16/2006 |
301-364 | Washington Zone 4 | |
301-365 | Washington Zone 2 | |
301-366 | Gaithersburg | |
301-367 | Washington Zone 3 | |
301-368 | Damascus | |
301-369 | Washington Zone 13 | |
301-370 | Gaithersburg | |
301-371 | Middletown | |
301-372 | Washington Zone 16 | |
301-373 | Leonardtown | |
301-374 | Waldorf | |
301-375 | Indian Head | |
301-376 | Laurel | |
301-377 | Laurel | |
301-378 | Frederick | 2/20/2007 |
301-379 | Washington Zone 3 | |
301-380 | Washington Zone 2 | |
301-382 | Washington Zone 11 | |
301-383 | Washington Zone 14 | |
301-384 | Washington Zone 12 | |
301-385 | Washington Zone 2 | |
301-386 | Washington Zone 4 | |
301-387 | Oakland | |
301-388 | Washington Zone 12 | |
301-389 | Washington Zone 13 | |
301-390 | Washington Zone 14 | |
301-391 | Damascus | |
301-392 | La Plata | |
301-393 | Hagerstown | |
301-394 | Washington Zone 3 | |
301-395 | Laurel | |
301-396 | Waldorf | |
301-397 | Washington Zone 13 | |
301-398 | Washington Zone 10 | 10/9/2003 |
301-399 | Waldorf | |
301-400 | Washington Zone 2 | 3/29/2010 |
301-401 | Frederick | |
301-402 | Washington Zone 2 | |
301-403 | Washington Zone 4 | |
301-404 | Washington Zone 3 | |
301-405 | Washington Zone 4 | |
301-406 | Washington Zone 2 | |
301-407 | Gaithersburg | |
301-408 | Washington Zone 3 | |
301-412 | Washington Zone 2 | |
301-413 | Washington Zone 11 | |
301-414 | Damascus | |
301-415 | Washington Zone 3 | |
301-416 | Myersville | |
301-417 | Washington Zone 10 | |
301-418 | Frederick | 11/20/2002 |
301-419 | Washington Zone 13 | |
301-420 | Washington Zone 5 | |
301-421 | Ashton | |
301-422 | Washington Zone 4 | |
301-423 | Washington Zone 5 | |
301-424 | Washington Zone 10 | |
301-425 | Washington Zone 13 | |
301-426 | Washington Zone 13 | |
301-427 | Washington Zone 3 | |
301-428 | Washington Zone 10 | |
301-429 | Washington Zone 4 | |
301-430 | Washington Zone 14 | |
301-431 | Washington Zone 3 | |
301-432 | Keedysville | |
301-433 | Washington Zone 5 | |
301-434 | Washington Zone 3 | |
301-435 | Washington Zone 2 | |
301-436 | Washington Zone 4 | |
301-437 | Washington Zone 3 | |
301-438 | Washington Zone 12 | |
301-439 | Washington Zone 3 | |
301-440 | Washington Zone 5 | |
301-441 | Washington Zone 13 | |
301-442 | Washington Zone 3 | |
301-443 | Washington Zone 11 | |
301-444 | Washington Zone 10 | |
301-445 | Washington Zone 3 | |
301-446 | Washington Zone 13 | |
301-447 | Emmitsburg | |
301-448 | Washington Zone 3 | |
301-449 | Washington Zone 5 | |
301-451 | Washington Zone 2 | |
301-452 | Washington Zone 3 | |
301-453 | Kitzmiller | |
301-454 | Washington Zone 4 | |
301-455 | Washington Zone 3 | |
301-456 | Washington Zone 5 | |
301-457 | Washington Zone 3 | |
301-458 | Washington Zone 4 | |
301-459 | Washington Zone 4 | |
301-460 | Washington Zone 11 | |
301-461 | Washington Zone 10 | |
301-462 | Myersville | |
301-463 | Lonaconing | |
301-464 | Washington Zone 14 | |
301-465 | Myersville | |
301-466 | Washington Zone 3 | |
301-467 | Washington Zone 3 | |
301-468 | Washington Zone 11 | |
301-469 | Washington Zone 2 | |
301-470 | Washington Zone 14 | |
301-471 | Frederick | |
301-472 | Mechanicsville | |
301-473 | Frederick | |
301-474 | Washington Zone 13 | |
301-475 | Leonardtown | |
301-476 | Ashton | |
301-477 | Washington Zone 13 | |
301-478 | Flintstone | |
301-479 | Washington Zone 13 | |
301-480 | Washington Zone 2 | |
301-481 | Leonardtown | |
301-482 | Damascus | |
301-483 | Laurel | |
301-484 | Washington Zone 4 | |
301-485 | Washington Zone 6 | |
301-486 | Washington Zone 13 | |
301-487 | Myersville | |
301-488 | Washington Zone 13 | |
301-489 | Washington Zone 13 | |
301-490 | Laurel | |
301-491 | Hagerstown | |
301-492 | Washington Zone 2 | |
301-493 | Washington Zone 2 | |
301-494 | Washington Zone 15 | |
301-495 | Washington Zone 3 | |
301-496 | Washington Zone 2 | |
301-497 | Laurel | |
301-498 | Laurel | |
301-499 | Washington Zone 5 | |
301-500 | Washington Zone 2 | |
301-501 | Oakland | |
301-502 | Washington Zone 3 | |
301-503 | Washington Zone 2 | |
301-504 | Washington Zone 3 | |
301-505 | Washington Zone 6 | |
301-506 | Washington Zone 13 | |
301-507 | Washington Zone 13 | |
301-508 | Myersville | |
301-509 | Washington Zone 3 | |
301-510 | Washington Zone 13 | |
301-512 | Washington Zone 3 | |
301-513 | Washington Zone 13 | |
301-514 | Frederick | |
301-515 | Gaithersburg | |
301-516 | Washington Zone 5 | |
301-517 | Washington Zone 10 | |
301-518 | Washington Zone 3 | |
301-519 | Gaithersburg | |
301-520 | Washington Zone 3 | |
301-521 | Washington Zone 6 | |
301-522 | Washington Zone 11 | |
301-523 | Washington Zone 3 | |
301-524 | Frederick | |
301-525 | Gaithersburg | 10/16/2003 |
301-526 | Washington Zone 3 | |
301-527 | Gaithersburg | |
301-528 | Gaithersburg | |
301-529 | Washington Zone 10 | |
301-530 | Washington Zone 2 | |
301-531 | Washington Zone 4 | |
301-532 | Laurel | 2/20/2015 |
301-533 | Oakland | |
301-534 | Indian Head | 11/15/2006 |
301-535 | Waldorf | |
301-536 | Leonardtown | |
301-537 | Washington Zone 3 | |
301-538 | Washington Zone 2 | |
301-539 | La Plata | |
301-540 | Gaithersburg | |
301-541 | Washington Zone 5 | |
301-542 | Waldorf | |
301-543 | Laurel | |
301-544 | Washington Zone 10 | |
301-545 | Washington Zone 10 | |
301-546 | Washington Zone 4 | 4/7/2014 |
301-547 | Washington Zone 2 | |
301-548 | Washington Zone 10 | |
301-549 | Ashton | |
301-551 | Washington Zone 3 | |
301-552 | Washington Zone 13 | |
301-553 | Waldorf | |
301-554 | Washington Zone 2 | |
301-556 | Gaithersburg | |
301-557 | Washington Zone 3 | 9/6/2011 |
301-558 | Washington Zone 13 | |
301-559 | Washington Zone 4 | |
301-560 | Washington Zone 4 | |
301-561 | Washington Zone 3 | |
301-562 | Washington Zone 3 | |
301-563 | Washington Zone 3 | |
301-564 | Washington Zone 2 | |
301-565 | Washington Zone 3 | |
301-566 | Washington Zone 13 | |
301-567 | Washington Zone 6 | |
301-568 | Washington Zone 5 | |
301-569 | Gaithersburg | |
301-570 | Ashton | |
301-571 | Washington Zone 2 | |
301-572 | Washington Zone 3 | |
301-573 | Hagerstown | |
301-574 | Washington Zone 15 | |
301-575 | Laurel | |
301-576 | Washington Zone 3 | |
301-577 | Washington Zone 4 | |
301-578 | Washington Zone 3 | |
301-579 | Brandywine | |
301-580 | Washington Zone 3 | |
301-581 | Washington Zone 2 | |
301-582 | Hagerstown | |
301-583 | Washington Zone 4 | |
301-584 | Washington Zone 12 | |
301-585 | Washington Zone 3 | |
301-586 | Washington Zone 3 | |
301-587 | Washington Zone 3 | |
301-588 | Washington Zone 3 | |
301-589 | Washington Zone 3 | |
301-590 | Washington Zone 10 | |
301-591 | Gaithersburg | |
301-592 | Washington Zone 3 | |
301-593 | Washington Zone 3 | |
301-594 | Washington Zone 2 | |
301-595 | Washington Zone 13 | |
301-596 | Laurel | |
301-597 | Hancock | |
301-598 | Washington Zone 12 | |
301-599 | Washington Zone 5 | |
301-600 | Frederick | 7/6/2006 |
301-601 | Washington Zone 10 | |
301-602 | Washington Zone 3 | |
301-603 | Washington Zone 11 | |
301-604 | Laurel | |
301-605 | Washington Zone 10 | |
301-606 | Frederick | |
301-607 | Damascus | |
301-608 | Washington Zone 3 | |
301-609 | Waldorf | |
301-610 | Washington Zone 10 | |
301-612 | Washington Zone 14 | 10/11/2012 |
301-613 | Washington Zone 3 | |
301-614 | Washington Zone 13 | |
301-615 | Washington Zone 13 | |
301-616 | Oakland | |
301-617 | Laurel | |
301-618 | Washington Zone 4 | |
301-619 | Frederick | |
301-620 | Frederick | |
301-621 | Washington Zone 14 | |
301-622 | Washington Zone 3 | |
301-623 | Washington Zone 13 | |
301-624 | Frederick | |
301-625 | Washington Zone 3 | |
301-626 | Washington Zone 3 | |
301-627 | Washington Zone 15 | |
301-628 | Washington Zone 3 | |
301-629 | Washington Zone 14 | |
301-630 | Washington Zone 6 | |
301-631 | Frederick | |
301-632 | Waldorf | |
301-633 | Washington Zone 2 | |
301-634 | Washington Zone 2 | |
301-635 | Myersville | |
301-636 | Washington Zone 5 | |
301-637 | Washington Zone 10 | |
301-638 | Waldorf | |
301-639 | Frederick | |
301-640 | Washington Zone 10 | |
301-641 | Washington Zone 3 | |
301-642 | Washington Zone 2 | |
301-643 | Waldorf | |
301-644 | Frederick | |
301-645 | Waldorf | |
301-646 | Washington Zone 2 | |
301-647 | Washington Zone 13 | |
301-648 | Washington Zone 2 | |
301-649 | Washington Zone 11 | |
301-650 | Washington Zone 3 | |
301-651 | Washington Zone 3 | |
301-652 | Washington Zone 2 | |
301-653 | Waldorf | |
301-654 | Washington Zone 2 | |
301-655 | Washington Zone 2 | |
301-656 | Washington Zone 2 | |
301-657 | Washington Zone 2 | |
301-658 | Ashton | |
301-659 | Waldorf | |
301-660 | Keedysville | 3/19/2004 |
301-661 | Washington Zone 2 | |
301-662 | Frederick | |
301-663 | Frederick | |
301-664 | Washington Zone 2 | |
301-665 | Hagerstown | |
301-666 | Washington Zone 14 | |
301-667 | Myersville | |
301-668 | Frederick | |
301-669 | Washington Zone 5 | |
301-670 | Washington Zone 10 | |
301-671 | Hagerstown | |
301-672 | Lexington Park-Great Mills | |
301-673 | Frederick | |
301-674 | Washington Zone 2 | |
301-675 | Washington Zone 3 | |
301-676 | Frederick | |
301-677 | Washington Zone 14 | |
301-678 | Hancock | |
301-679 | Washington Zone 12 | |
301-680 | Washington Zone 3 | |
301-681 | Washington Zone 3 | |
301-682 | Frederick | |
301-683 | Washington Zone 4 | |
301-684 | Indian Head | |
301-685 | Damascus | |
301-686 | Washington Zone 6 | |
301-687 | Frostburg | |
301-688 | Washington Zone 13 | |
301-689 | Frostburg | |
301-690 | Leonardtown | 5/23/2007 |
301-691 | Poolesville | |
301-692 | Washington Zone 11 | |
301-693 | Frederick | |
301-694 | Frederick | |
301-695 | Frederick | |
301-696 | Frederick | |
301-697 | Cumberland | |
301-698 | Frederick | |
301-699 | Washington Zone 4 | |
301-701 | Washington Zone 13 | |
301-702 | Washington Zone 5 | |
301-703 | Mount Airy | 8/29/2002 |
301-704 | Washington Zone 3 | |
301-705 | Waldorf | |
301-706 | Washington Zone 3 | |
301-707 | Cumberland | |
301-708 | Laurel | |
301-709 | Cumberland | 5/28/2019 |
301-710 | Waldorf | 12/30/2005 |
301-712 | Frederick | |
301-713 | Washington Zone 3 | |
301-714 | Hagerstown | |
301-715 | Washington Zone 15 | |
301-716 | Washington Zone 13 | |
301-717 | Washington Zone 3 | |
301-718 | Washington Zone 2 | |
301-719 | Washington Zone 16 | |
301-720 | Brandywine | |
301-721 | Washington Zone 10 | |
301-722 | Cumberland | |
301-723 | Cumberland | |
301-724 | Cumberland | |
301-725 | Laurel | |
301-727 | Washington Zone 5 | |
301-728 | Washington Zone 3 | |
301-729 | Cumberland | |
301-730 | Myersville | |
301-731 | Washington Zone 4 | |
301-732 | Frederick | |
301-733 | Hagerstown | |
301-734 | Washington Zone 3 | |
301-735 | Washington Zone 5 | |
301-736 | Washington Zone 5 | |
301-737 | Lexington Park-Great Mills | |
301-738 | Washington Zone 10 | |
301-739 | Hagerstown | |
301-740 | Gaithersburg | 4/22/2004 |
301-741 | Laurel | |
301-742 | Washington Zone 2 | |
301-743 | Indian Head | |
301-744 | Indian Head | |
301-745 | Hagerstown | |
301-746 | Friendsville | |
301-747 | Washington Zone 6 | |
301-748 | Frederick | |
301-749 | Washington Zone 6 | |
301-750 | Friendsville | 3/18/2004 |
301-751 | Waldorf | |
301-752 | Waldorf | |
301-753 | Washington Zone 6 | |
301-754 | Washington Zone 3 | |
301-755 | Washington Zone 3 | |
301-756 | Washington Zone 14 | |
301-757 | Lexington Park-Great Mills | |
301-758 | Washington Zone 3 | |
301-759 | Cumberland | |
301-760 | Washington Zone 2 | 2/27/2002 |
301-761 | Washington Zone 11 | 2/27/2002 |
301-762 | Washington Zone 10 | |
301-763 | Washington Zone 5 | |
301-764 | Waldorf | |
301-765 | Washington Zone 10 | |
301-766 | Hagerstown | |
301-767 | Washington Zone 2 | |
301-768 | Washington Zone 3 | 2/27/2002 |
301-769 | Leonardtown | |
301-770 | Washington Zone 11 | |
301-771 | Washington Zone 2 | |
301-772 | Washington Zone 4 | |
301-773 | Washington Zone 4 | |
301-774 | Ashton | |
301-775 | Washington Zone 3 | |
301-776 | Laurel | |
301-777 | Cumberland | |
301-778 | Washington Zone 5 | |
301-779 | Washington Zone 4 | |
301-780 | Washington Zone 15 | |
301-781 | Frostburg | |
301-782 | Brandywine | |
301-783 | Cumberland | |
301-784 | Cumberland | |
301-785 | Washington Zone 3 | |
301-786 | Mccoole | |
301-787 | Washington Zone 3 | |
301-788 | Frederick | |
301-789 | Washington Zone 4 | 8/13/2002 |
301-790 | Hagerstown | |
301-791 | Hagerstown | |
301-792 | Washington Zone 3 | |
301-793 | Washington Zone 3 | |
301-794 | Washington Zone 14 | |
301-795 | Washington Zone 10 | |
301-796 | Washington Zone 13 | 6/30/2003 |
301-797 | Hagerstown | |
301-798 | Damascus | |
301-799 | Keedysville | 3/18/2004 |
301-800 | Hagerstown | |
301-801 | Washington Zone 3 | |
301-802 | Washington Zone 3 | |
301-803 | Washington Zone 2 | |
301-804 | Ashton | |
301-805 | Washington Zone 14 | |
301-806 | Washington Zone 3 | |
301-807 | Washington Zone 3 | |
301-808 | Washington Zone 5 | |
301-809 | Washington Zone 14 | |
301-810 | Buckeyestown | |
301-812 | Washington Zone 15 | |
301-813 | Washington Zone 2 | |
301-814 | Washington Zone 2 | |
301-815 | Frederick | |
301-816 | Washington Zone 11 | |
301-817 | Washington Zone 5 | |
301-818 | Waldorf | |
301-819 | Washington Zone 3 | |
301-820 | Gaithersburg | |
301-821 | Laurel | |
301-822 | Washington Zone 11 | |
301-823 | Washington Zone 13 | |
301-824 | Smithsburg | |
301-825 | Washington Zone 10 | |
301-826 | Lexington Park-Great Mills | |
301-827 | Washington Zone 2 | |
301-828 | Washington Zone 2 | |
301-829 | Mount Airy | |
301-830 | Washington Zone 3 | |
301-831 | Damascus | |
301-832 | Washington Zone 4 | |
301-833 | Washington Zone 14 | |
301-834 | Brunswick | |
301-835 | Frederick | 11/27/2018 |
301-836 | Washington Zone 5 | |
301-837 | Washington Zone 13 | |
301-838 | Washington Zone 10 | |
301-839 | Washington Zone 6 | |
301-840 | Washington Zone 10 | |
301-841 | Washington Zone 2 | |
301-842 | Clear Spg | |
301-843 | Washington Zone 6 | |
301-844 | Washington Zone 3 | 10/4/2011 |
301-845 | Walkersville | |
301-846 | Frederick | |
301-847 | Washington Zone 12 | |
301-848 | Waldorf | |
301-849 | Oakland | |
301-850 | Washington Zone 14 | |
301-851 | Washington Zone 4 | |
301-852 | Washington Zone 4 | |
301-853 | Washington Zone 4 | |
301-854 | Ashton | |
301-855 | Washington Zone 15 | |
301-856 | Washington Zone 16 | |
301-857 | Clear Spg | 7/12/2002 |
301-858 | Washington Zone 14 | |
301-859 | Oakland | 1/9/2002 |
301-860 | Washington Zone 14 | |
301-861 | Waldorf | |
301-862 | Lexington Park-Great Mills | |
301-863 | Lexington Park-Great Mills | |
301-864 | Washington Zone 4 | |
301-865 | New Market | |
301-866 | Lexington Park-Great Mills | |
301-867 | Washington Zone 14 | |
301-868 | Washington Zone 16 | |
301-869 | Gaithersburg | |
301-870 | Washington Zone 6 | |
301-871 | Washington Zone 11 | |
301-872 | Ridge | |
301-873 | Washington Zone 3 | |
301-874 | Buckeyestown | |
301-875 | Laurel | |
301-876 | Cumberland | 5/2/2002 |
301-877 | Washington Zone 16 | |
301-878 | Baltimore | |
301-879 | Washington Zone 12 | |
301-880 | Lexington Park-Great Mills | |
301-881 | Washington Zone 11 | |
301-882 | New Market | 3/18/2004 |
301-883 | Washington Zone 5 | |
301-884 | Mechanicsville | |
301-885 | Waldorf | |
301-886 | Washington Zone 13 | |
301-887 | Washington Zone 4 | |
301-888 | Washington Zone 16 | |
301-889 | Washington Zone 14 | |
301-890 | Washington Zone 12 | |
301-891 | Washington Zone 3 | |
301-892 | Washington Zone 4 | 3/11/2005 |
301-893 | Washington Zone 6 | |
301-894 | Washington Zone 6 | |
301-895 | Grantsville | |
301-896 | Washington Zone 2 | |
301-897 | Washington Zone 2 | |
301-898 | Frederick | |
301-899 | Washington Zone 5 | |
301-900 | Washington Zone 2 | 2/18/2015 |
301-901 | Washington Zone 13 | |
301-902 | Washington Zone 13 | |
301-903 | Washington Zone 10 | |
301-904 | Leonardtown | |
301-905 | Washington Zone 3 | |
301-906 | Washington Zone 2 | |
301-907 | Washington Zone 2 | |
301-908 | Washington Zone 3 | |
301-909 | Washington Zone 5 | |
301-910 | Washington Zone 2 | |
301-912 | Washington Zone 14 | |
301-913 | Washington Zone 2 | |
301-914 | Oakland | 12/27/2012 |
301-915 | Washington Zone 2 | |
301-916 | Gaithersburg | |
301-917 | Washington Zone 10 | |
301-918 | Washington Zone 4 | |
301-919 | Washington Zone 2 | |
301-920 | Washington Zone 3 | |
301-921 | Washington Zone 10 | |
301-922 | Washington Zone 3 | |
301-923 | Washington Zone 13 | |
301-924 | Washington Zone 12 | |
301-925 | Washington Zone 5 | |
301-926 | Gaithersburg | |
301-927 | Washington Zone 4 | |
301-928 | Washington Zone 3 | |
301-929 | Washington Zone 11 | |
301-930 | Washington Zone 3 | |
301-931 | Washington Zone 13 | |
301-932 | Waldorf | |
301-933 | Washington Zone 11 | |
301-934 | La Plata | |
301-935 | Washington Zone 13 | |
301-936 | Hagerstown | 6/2/2017 |
301-937 | Washington Zone 13 | |
301-938 | Washington Zone 3 | |
301-939 | Washington Zone 13 | |
301-940 | Washington Zone 2 | |
301-941 | Washington Zone 2 | |
301-942 | Washington Zone 11 | |
301-943 | Washington Zone 3 | |
301-944 | Gaithersburg | |
301-945 | Washington Zone 11 | |
301-946 | Washington Zone 11 | |
301-947 | Gaithersburg | |
301-948 | Washington Zone 10 | |
301-949 | Washington Zone 11 | |
301-951 | Washington Zone 2 | |
301-952 | Washington Zone 15 | |
301-953 | Washington Zone 13 | |
301-955 | Washington Zone 4 | |
301-956 | Gaithersburg | 5/22/2002 |
301-957 | Laurel | |
301-960 | Washington Zone 3 | |
301-961 | Washington Zone 2 | |
301-962 | Washington Zone 11 | |
301-963 | Gaithersburg | |
301-964 | Myersville | |
301-965 | Washington Zone 6 | |
301-966 | Washington Zone 12 | |
301-967 | Washington Zone 5 | |
301-968 | Washington Zone 2 | |
301-969 | Brunswick | 3/6/2007 |
301-970 | Washington Zone 14 | |
301-971 | Washington Zone 6 | |
301-972 | Gaithersburg | |
301-973 | Washington Zone 14 | |
301-974 | Laurel | |
301-975 | Washington Zone 10 | |
301-976 | Washington Zone 5 | |
301-977 | Gaithersburg | |
301-978 | Washington Zone 10 | |
301-979 | Washington Zone 10 | |
301-980 | Washington Zone 3 | |
301-981 | Washington Zone 5 | |
301-982 | Washington Zone 13 | |
301-983 | Washington Zone 10 | |
301-984 | Washington Zone 11 | |
301-985 | Washington Zone 4 | |
301-986 | Washington Zone 2 | |
301-987 | Gaithersburg | |
301-988 | Hagerstown | |
301-989 | Washington Zone 12 | |
301-990 | Gaithersburg | |
301-991 | Hagerstown | |
301-992 | Hagerstown | |
301-993 | Washington Zone 13 | |
301-994 | Lexington Park-Great Mills | |
301-995 | Lexington Park-Great Mills | |
301-996 | Washington Zone 3 | |
301-997 | Leonardtown | |
301-998 | Washington Zone 11 |
- Numbering Plan Areas (area codes) are NPAs, and central office codes are NXXs.
- For ‘Area served’ we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- de was assigned before 2001.
List of Cities in Area Code 301
Looking to find out what cities are in your area code 301? You’ve come to the right place! We’ve put together a comprehensive list of major cites and their corresponding area codes. Whether you’re looking to relocate or just curious, you’ll be able to find what you need here.
So without further ado, let’s get started! We’ve compiled a list of every city in the 301 area code with the corresponding phone number. We hope you find this information helpful!
City | County | Time |
---|---|---|
Abell | St Marys | E |
Accident | Garrett | E |
Accokeek | Prince George’s | E |
Adamstown | Frederick | E |
Andrews Afb | Prince George’s | E |
Aquasco | Prince George’s | E |
Ashton | Montgomery | E |
Avenue | St Marys | E |
Barnesville | Montgomery | E |
Barton | Allegany | E |
Beallsville | Montgomery | E |
Bel Alton | Charles | E |
Beltsville | Prince George’s | E |
Benedict | Charles | E |
Bethesda | Montgomery | E |
Big Pool | Washington | E |
Bittinger | Garrett | E |
Bladensburg | Prince George’s | E |
Bloomington | Garrett | E |
Boonsboro | Washington | E |
Bowie | Prince George’s | E |
Boyds | Montgomery | E |
Braddock Heights | Frederick | E |
Brandywine | Prince George’s | E |
Brentwood | Prince George’s | E |
Brinklow | Montgomery | E |
Brookeville | Montgomery | E |
Brownsville | Washington | E |
Brunswick | Frederick | E |
Bryans Road | Charles | E |
Bryantown | Charles | E |
Buckeystown | Frederick | E |
Burkittsville | Frederick | E |
Burtonsville | Montgomery | E |
Bushwood | St Marys | E |
Cabin John | Montgomery | E |
California | St Marys | E |
Callaway | St Marys | E |
Capitol Heights | Prince George’s | E |
Cascade | Washington | E |
Cavetown | Washington | E |
Chaptico | St Marys | E |
Charlotte Hall | St Marys | E |
Cheltenham | Prince George’s | E |
Chevy Chase | Montgomery | E |
Chewsville | Washington | E |
Clarksburg | Montgomery | E |
Clear Spring | Washington | E |
Clements | St Marys | E |
Clinton | Prince George’s | E |
Cobb Island | Charles | E |
College Park | Prince George’s | E |
Coltons Point | St Marys | E |
Compton | St Marys | E |
Corriganville | Allegany | E |
Cumberland | Allegany | E |
Damascus | Montgomery | E |
Dameron | St Marys | E |
Derwood | Montgomery | E |
Dickerson | Montgomery | E |
District Heights | Prince George’s | E |
Drayden | St Marys | E |
Eckhart Mines | Allegany | E |
Ellerslie | Allegany | E |
Emmitsburg | Frederick | E |
Fairplay | Washington | E |
Faulkner | Charles | E |
Flintstone | Allegany | E |
Fort Washington | Prince George’s | E |
Frederick | Frederick | E |
Friendship | Anne Arundel | E |
Friendsville | Garrett | E |
Frostburg | Allegany | E |
Funkstown | Washington | E |
Gaithersburg | Montgomery | E |
Garrett Park | Montgomery | E |
Germantown | Montgomery | E |
Glen Echo | Montgomery | E |
Glenn Dale | Prince George’s | E |
Grantsville | Garrett | E |
Great Mills | St Marys | E |
Greenbelt | Prince George’s | E |
Hagerstown | Washington | E |
Hancock | Washington | E |
Helen | St Marys | E |
Highland | Howard | E |
Hollywood | St Marys | E |
Hughesville | Charles | E |
Hyattsville | Prince George’s | E |
Ijamsville | Frederick | E |
Indian Head | Charles | E |
Ironsides | Charles | E |
Issue | Charles | E |
Jefferson | Frederick | E |
Keedysville | Washington | E |
Kensington | Montgomery | E |
Kitzmiller | Garrett | E |
Knoxville | Frederick | E |
La Plata | Charles | E |
Ladiesburg | Frederick | E |
Lanham | Prince George’s | E |
Laurel | Anne Arundel | E |
Leonardtown | St Marys | E |
Lexington Park | St Marys | E |
Libertytown | Frederick | E |
Little Orleans | Allegany | E |
Lonaconing | Allegany | E |
Loveville | St Marys | E |
Luke | Allegany | E |
Marbury | Charles | E |
Maugansville | Washington | E |
Mc Henry | Garrett | E |
Mechanicsville | St Marys | E |
Middletown | Frederick | E |
Midland | Allegany | E |
Midlothian | Allegany | E |
Monrovia | Frederick | E |
Montgomery Village | Montgomery | E |
Morganza | St Marys | E |
Mount Airy | Frederick | E |
Mount Rainier | Prince George’s | E |
Mount Savage | Allegany | E |
Mount Victoria | Charles | E |
Myersville | Frederick | E |
Nanjemoy | Charles | E |
New Market | Frederick | E |
New Midway | Frederick | E |
Newburg | Charles | E |
Oakland | Garrett | E |
Oldtown | Allegany | E |
Olney | Montgomery | E |
Owings | Calvert | E |
Oxon Hill | Prince George’s | E |
Park Hall | St Marys | E |
Patuxent River | St Marys | E |
Piney Point | St Marys | E |
Pinto | Allegany | E |
Point Of Rocks | Frederick | E |
Pomfret | Charles | E |
Poolesville | Montgomery | E |
Port Tobacco | Charles | E |
Potomac | Montgomery | E |
Rawlings | Allegany | E |
Ridge | St Marys | E |
Riverdale | Prince George’s | E |
Rock Point | Charles | E |
Rockville | Montgomery | E |
Rocky Ridge | Frederick | E |
Rohrersville | Washington | E |
Sabillasville | Frederick | E |
Sandy Spring | Montgomery | E |
Scotland | St Marys | E |
Sharpsburg | Washington | E |
Silver Spring | Montgomery | E |
Smithsburg | Washington | E |
Southern MD Facility | Prince George’s | E |
Spencerville | Montgomery | E |
Spring Gap | Allegany | E |
St Inigoes | St Marys | E |
St James | Washington | E |
St Marys City | St Marys | E |
Suburb Maryland Fac | Montgomery | E |
Suitland | Prince George’s | E |
Swanton | Garrett | E |
Takoma Park | Montgomery | E |
Tall Timbers | St Marys | E |
Temple Hills | Prince George’s | E |
Thurmont | Frederick | E |
Tuscarora | Frederick | E |
Unionville | Frederick | E |
Upper Marlboro | Prince George’s | E |
Valley Lee | St Marys | E |
Waldorf | Charles | E |
Walkersville | Frederick | E |
Washington Grove | Montgomery | E |
Welcome | Charles | E |
Westernport | Allegany | E |
White Plains | Charles | E |
Williamsport | Washington | E |
Woodsboro | Frederick | E |
- Listed above are most, though not all places that have area code 301. When two or more places with the same name are located in the same state, we list the largest one. Only cities with a population over 50,000 are shown in bold.
- E stands for Eastern Time (10:17:06 AM at the moment).