301 area code

  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!

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902 area code

603 area code

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

1. 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.
2. E stands for Eastern Time (10:17:06 AM at the moment).