301 Area Code

Area Code 301 Map

Area code 301 generally covers Silver Spring, Chevy Chase, and Rockville in the U.S. State of Maryland.

Top cities in area code 301

City	Prefixes
Silver Spring, MD	10.7%
Chevy Chase, MD	7.8%
Rockville, MD	7.1%
Laurel, MD	7%
Montgomery Village, MD	6.3%
Riverdale, MD	6.1%
Takoma Park, MD	5.4%
Frederick, MD	4.8%
Lanham, MD	4.5%
Waldorf, MD	3.2%

Top telephone carriers in area code 301

Carrier	Prefixes
Verizon	66.5%
New Cingular Wireless	5.4%
Mcimetro Access Transmission Services	5.2%
Sprint Spectrum	4.5%
Teleport Communications America	3.5%
Level 3 Communications	1.9%
Comcast Ip Phone	1.5%
USA Mobility Wireless	1.4%
AT&T	1.2%
Omnipoint Communications Cap Operations	0.9%

Area code 301 has 775 prefixes

Prefix	Primary City	Usage	Carrier
301-200	Indian Head	Landline	Bandwidth.com
301-202	Mount Rainier	Wireless	New Cingular Wireless
301-203	Fort Washington	Landline	Verizon
301-204	Chevy Chase	Wireless	New Cingular Wireless
301-205	Riva	Landline	Verizon
301-206	Laurel	Landline	Verizon
301-207	Riverdale	Wireless	USA Mobility Wireless
301-208	Montgomery Village	Landline	Verizon
301-209	Riverdale	Landline	Verizon
301-210	Laurel	Landline	Verizon
301-212	Montgomery Village	Landline	Verizon
301-213	Laurel	Wireless	Sprint Spectrum
301-214	Rockville	Landline	Verizon
301-215	Chevy Chase	Landline	Verizon
301-216	Montgomery Village	Landline	Verizon
301-217	Rockville	Landline	Verizon
301-218	Upper Marlboro	Landline	Verizon
301-219	Chevy Chase	Wireless	New Cingular Wireless
301-220	Riverdale	Landline	Verizon
301-221	Chevy Chase	Wireless	New Cingular Wireless
301-222	Chevy Chase	Landline	Cavalier Telephone Mid-atlantic
301-223	Williamsport	Landline	Verizon
301-224	Chevy Chase	Wireless	USA Mobility Wireless
301-225	Lanham	Landline	Teleport Communications America
301-226	Lanham	Landline	Verizon
301-227	Glen Echo	Landline	Verizon
301-228	Frederick	Landline	Verizon
301-229	Glen Echo	Landline	Verizon
301-230	Rockville	Landline	Verizon
301-231	Rockville	Landline	Verizon
301-232	Sandy Spring	Landline	Mcimetro Access Transmission Services
301-233	Silver Spring	Wireless	Verizon
301-234	Temple Hills	Landline	Verizon
301-235	Clinton	Landline	Mcimetro Access Transmission Services
301-236	Spencerville	Landline	Verizon
301-237	Laurel	Wireless	Sprint Spectrum
301-238	Temple Hills	Landline	Verizon
301-239	Riverdale	Wireless	Verizon
301-240	Montgomery Village	Landline	Verizon
301-241	Cascade	Landline	Verizon
301-242	Brandywine	Landline	Mcimetro Access Transmission Services
301-243	Chevy Chase	Landline	Verizon
301-245	Bittinger	Landline	Verizon
301-246	Nanjemoy	Landline	Verizon
301-247	Leonardtown	Wireless	New Cingular Wireless
301-248	Temple Hills	Landline	Verizon
301-249	Upper Marlboro	Landline	Verizon
301-250	Montgomery Village	Landline	Mcimetro Access Transmission Services
301-251	Rockville	Landline	Verizon
301-252	Montgomery Village	Wireless	Sprint Spectrum
301-253	Damascus	Landline	Verizon
301-254	Laurel	Wireless	Sprint Spectrum
301-255	Rockville	Landline	Verizon
301-256	Laurel	Landline	Mcimetro Access Transmission Services
301-257	Laurel	Wireless	Sprint Spectrum
301-258	Montgomery Village	Landline	Verizon
301-259	Newburg	Landline	Verizon
301-260	Ashton	Landline	Verizon
301-261	Lanham	Landline	Verizon
301-262	Glenn Dale	Landline	Verizon
301-263	Glen Echo	Landline	Verizon
301-264	Mount Savage	Landline	Verizon
301-265	Temple Hills	Landline	Verizon
301-266	Waldorf	Wireless	New Cingular Wireless
301-267	Riverdale	Wireless	Sprint Spectrum
301-268	Cumberland	Wireless	Uscoc Of Cumberland
301-269	Takoma Park	Landline	Mcimetro Access Transmission Services
301-270	Takoma Park	Landline	Verizon
301-271	Thurmont	Landline	Verizon
301-272	Chevy Chase	Landline	Mcimetro Access Transmission Services
301-273	Silver Spring	Landline	Mcimetro Access Transmission Services
301-274	Hughesville	Landline	Verizon
301-275	Chevy Chase	Wireless	New Cingular Wireless
301-276	Mount Rainier	Landline	Mcimetro Access Transmission Services
301-277	Riverdale	Landline	Verizon
301-278	Oxon Hill	Landline	Mcimetro Access Transmission Services
301-279	Rockville	Landline	Verizon
301-280	Chevy Chase	Landline	Verizon
301-281	Temple Hills	Landline	Mcimetro Access Transmission Services
301-282	Silver Spring	Landline	Verizon
301-283	Pomfret	Landline	Verizon
301-284	Rockville	Landline	Mcimetro Access Transmission Services
301-285	Takoma Park	Wireless	Verizon
301-286	Riverdale	Landline	Verizon
301-287	Silver Spring	Landline	Mcimetro Access Transmission Services
301-288	Rockville	Landline	Mcimetro Access Transmission Services
301-289	Riverdale	Landline	Mcimetro Access Transmission Services
301-290	Mechanicsville	Landline	Verizon
301-291	Lanham	Landline	Mcimetro Access Transmission Services
301-292	Fort Washington	Landline	Verizon
301-293	Myersville	Landline	Verizon
301-294	Rockville	Landline	Verizon
301-295	Rockville	Landline	Verizon
301-296	Rockville	Landline	Mcimetro Access Transmission Services
301-297	Temple Hills	Landline	Verizon
301-298	Upper Marlboro	Landline	Mcimetro Access Transmission Services
301-299	Potomac	Landline	Verizon
301-300	Chevy Chase	Wireless	Verizon
301-302	Hagerstown	Wireless	Sprint Spectrum
301-303	Riverdale	Wireless	USA Mobility Wireless
301-304	Frederick	Landline	Comcast Ip Phone
301-305	Frederick	Wireless	Sprint Spectrum
301-306	Lanham	Landline	Verizon
301-307	Riverdale	Landline	Verizon
301-308	Riverdale	Wireless	USA Mobility Wireless
301-309	Rockville	Landline	Verizon
301-310	Columbia	Landline	Verizon
301-312	Chevy Chase	Wireless	New Cingular Wireless
301-313	Riverdale	Landline	Verizon
301-314	Lanham	Landline	Paetec Communications
301-315	Rockville	Landline	Verizon
301-316	Hyattsville	Landline	Verizon
301-317	Laurel	Landline	Verizon
301-318	Chevy Chase	Wireless	New Cingular Wireless
301-319	Rockville	Landline	Verizon
301-320	Glen Echo	Landline	Verizon
301-321	Rockville	Landline	Onvoy
301-322	Lanham	Landline	Verizon
301-323	Laurel	Landline	Level 3 Telecom Of Maryland
301-324	Hyattsville	Landline	Verizon
301-325	Silver Spring	Wireless	Verizon
301-326	Silver Spring	Wireless	Omnipoint Communications Cap Operations
301-327	Upper Marlboro	Landline	Comcast Ip Phone
301-328	Glen Echo	Landline	Comcast Ip Phone
301-330	Montgomery Village	Landline	Verizon
301-331	Hagerstown	Wireless	New Cingular Wireless
301-332	Silver Spring	Wireless	New Cingular Wireless
301-333	Hyattsville	Landline	Verizon
301-334	Oakland	Landline	Verizon
301-335	Chevy Chase	Wireless	New Cingular Wireless
301-336	Hyattsville	Landline	Verizon
301-337	Montgomery Village	Landline	Mcimetro Access Transmission Services
301-338	Cumberland	Landline	Idt America
301-339	Rockville	Landline	Cavalier Telephone Mid-atlantic
301-340	Rockville	Landline	Verizon
301-341	Lanham	Landline	Verizon
301-342	Patuxent River	Landline	Verizon
301-343	Suitland	Wireless	Sprint Spectrum
301-344	Riverdale	Landline	Verizon
301-345	Riverdale	Landline	Verizon
301-346	Silver Spring	Wireless	New Cingular Wireless
301-347	Chevy Chase	Landline	Verizon
301-348	Silver Spring	Landline	Mcimetro Access Transmission Services
301-349	Poolesville	Landline	Verizon
301-350	Hyattsville	Landline	Verizon
301-351	Silver Spring	Wireless	Verizon
301-352	Glenn Dale	Landline	Verizon
301-353	Montgomery Village	Landline	Verizon
301-354	Rockville	Landline	Teleport Communications America
301-355	Montgomery Village	Landline	Verizon
301-356	Laurel	Landline	Vdl
301-357	Oxon Hill	Wireless	Verizon
301-358	Upper Marlboro	Landline	Level 3 Communications
301-359	Westernport	Landline	Verizon
301-360	Frederick	Landline	Verizon
301-361	Laurel	Landline	Level 3 Telecom Of Maryland
301-362	Laurel	Landline	Verizon
301-363	Monrovia	Landline	Level 3 Communications
301-364	Mount Rainier	Landline	Mcimetro Access Transmission Services
301-365	Potomac	Landline	Verizon
301-366	Montgomery Village	Wireless	Sprint Spectrum
301-367	Silver Spring	Wireless	Verizon
301-368	Damascus	Landline	Verizon
301-369	Laurel	Landline	Verizon
301-370	Montgomery Village	Wireless	Sprint Spectrum
301-371	Middletown	Landline	Verizon
301-372	Brandywine	Landline	Verizon
301-373	Loveville	Landline	Verizon
301-374	Waldorf	Landline	Verizon
301-375	Pomfret	Landline	Verizon
301-376	Laurel	Wireless	Verizon
301-377	Laurel	Landline	Comcast Ip Phone
301-378	Frederick	Landline	Comcast Ip Phone
301-379	Laurel	Wireless	Sprint Spectrum
301-380	Rockville	Landline	Verizon
301-382	Rockville	Wireless	Verizon
301-383	Lanham	Landline	Comcast Ip Phone
301-384	Spencerville	Landline	Verizon
301-385	Chevy Chase	Wireless	New Cingular Wireless
301-386	Lanham	Landline	Verizon
301-387	Swanton	Landline	Verizon
301-388	Spencerville	Landline	Verizon
301-389	Riverdale	Landline	Level 3 Telecom Of Maryland
301-390	Glenn Dale	Landline	Verizon
301-391	Damascus	Landline	Verizon
301-392	White Plains	Landline	Verizon
301-393	Hagerstown	Landline	Verizon
301-394	Silver Spring	Landline	Verizon
301-395	Laurel	Wireless	Verizon
301-396	Waldorf	Landline	Verizon
301-397	Riverdale	Wireless	Verizon
301-398	Rockville	Landline	Verizon
301-399	Waldorf	Wireless	Sprint Spectrum
301-400	Rockville	Landline	Verizon
301-401	Frederick	Wireless	New Cingular Wireless
301-402	Chevy Chase	Landline	Verizon
301-403	Fort Myer	Landline	Verizon
301-404	Laurel	Wireless	Sprint Spectrum
301-405	Lanham	Landline	Paetec Communications
301-406	Chevy Chase	Wireless	USA Mobility Wireless
301-407	Poolesville	Landline	Verizon
301-408	Takoma Park	Landline	Verizon
301-409	Riverdale	Wireless	USA Mobility Wireless
301-412	Chevy Chase	Wireless	New Cingular Wireless
301-413	Rockville	Landline	Verizon
301-414	Damascus	Landline	Verizon
301-415	Takoma Park	Landline	Verizon
301-416	Williamsport	Landline	Verizon
301-417	Montgomery Village	Landline	Verizon
301-418	Frederick	Landline	Verizon
301-419	Laurel	Landline	Verizon
301-420	Suitland	Landline	Verizon
301-421	Spencerville	Landline	Verizon
301-422	Takoma Park	Landline	Verizon
301-423	Temple Hills	Landline	Verizon
301-424	Rockville	Landline	Verizon
301-425	Laurel	Wireless	Verizon
301-426	Laurel	Wireless	Verizon
301-427	Takoma Park	Landline	Verizon
301-428	Montgomery Village	Landline	Verizon
301-429	Lanham	Landline	Verizon
301-430	Upper Marlboro	Landline	Verizon
301-431	Takoma Park	Landline	Verizon
301-432	Keedysville	Landline	Verizon
301-433	Temple Hills	Landline	Verizon
301-434	Takoma Park	Landline	Verizon
301-435	Chevy Chase	Landline	Verizon
301-436	Riverdale	Landline	Verizon
301-437	Laurel	Wireless	Sprint Spectrum
301-438	Silver Spring	Landline	Verizon
301-439	Takoma Park	Landline	Verizon
301-440	Suitland	Wireless	Sprint Spectrum
301-441	Riverdale	Landline	Verizon
301-442	Laurel	Wireless	Sprint Spectrum
301-443	Rockville	Landline	Verizon
301-444	Montgomery Village	Landline	Verizon
301-445	Takoma Park	Landline	Verizon
301-446	Riverdale	Landline	Verizon
301-447	Emmitsburg	Landline	Verizon
301-448	Silver Spring	Landline	Comcast Ip Phone
301-449	Temple Hills	Landline	Verizon
301-451	Chevy Chase	Landline	Verizon
301-452	Silver Spring	Wireless	Verizon
301-453	Kitzmiller	Landline	Verizon
301-454	Riverdale	Landline	Verizon
301-455	Laurel	Wireless	Sprint Spectrum
301-456	Hyattsville	Landline	Comcast Ip Phone
301-457	Takoma Park	Landline	Verizon
301-458	Mount Rainier	Landline	Teleport Communications America
301-459	Lanham	Landline	Verizon
301-460	Silver Spring	Landline	Verizon
301-461	Rockville	Wireless	Verizon
301-462	Myersville	Wireless	Sprint Spectrum
301-463	Lonaconing	Landline	Verizon
301-464	Glenn Dale	Landline	Verizon
301-465	Myersville	Wireless	Sprint Spectrum
301-466	Silver Spring	Wireless	Verizon
301-467	Silver Spring	Wireless	Verizon
301-468	Rockville	Landline	Verizon
301-469	Potomac	Landline	Verizon
301-470	Laurel	Landline	Verizon
301-471	Frederick	Wireless	Verizon
301-472	Mechanicsville	Landline	Verizon
301-473	Frederick	Landline	Verizon
301-474	Riverdale	Landline	Verizon
301-475	Leonardtown	Landline	Verizon
301-476	Sandy Spring	Landline	Verizon
301-477	Riverdale	Landline	Comcast Ip Phone
301-478	Oldtown	Landline	Verizon
301-479	Riverdale	Landline	Mcimetro Access Transmission Services
301-480	Chevy Chase	Landline	Verizon
301-481	Leonardtown	Wireless	Verizon
301-482	Damascus	Landline	Verizon
301-483	Laurel	Landline	Verizon
301-484	Mount Rainier	Landline	Comcast Ip Phone
301-485	Temple Hills	Landline	Comcast Ip Phone
301-486	Riverdale	Landline	Verizon
301-487	Myersville	Landline	Verizon
301-488	Riverdale	Wireless	Verizon
301-489	Riverdale	Landline	Verizon
301-490	Laurel	Landline	Verizon
301-491	Hagerstown	Wireless	Uscoc Of Cumberland
301-492	Chevy Chase	Landline	Verizon
301-493	Rockville	Landline	Verizon
301-494	Upper Marlboro	Landline	Verizon
301-495	Takoma Park	Landline	Verizon
301-496	Chevy Chase	Landline	Verizon
301-497	Laurel	Landline	Verizon
301-498	Laurel	Landline	Verizon
301-499	Hyattsville	Landline	Verizon
301-500	Chevy Chase	Landline	XO Communications
301-501	Oakland	Wireless	New Cingular Wireless
301-502	Silver Spring	Wireless	Verizon
301-503	Chevy Chase	Wireless	New Cingular Wireless
301-504	Takoma Park	Landline	Verizon
301-505	Temple Hills	Landline	Verizon
301-506	Riverdale	Wireless	USA Mobility Wireless
301-507	Riverdale	Landline	Verizon
301-508	Myersville	Wireless	New Cingular Wireless
301-509	Silver Spring	Wireless	Verizon
301-510	Riverdale	Wireless	USA Mobility Wireless
301-512	Silver Spring	Wireless	Verizon
301-513	Riverdale	Landline	Verizon
301-514	Frederick	Wireless	Verizon
301-515	Montgomery Village	Landline	Verizon
301-516	Suitland	Landline	Verizon
301-517	Rockville	Landline	Verizon
301-518	Silver Spring	Wireless	Verizon
301-519	Montgomery Village	Landline	Verizon
301-520	Silver Spring	Wireless	Verizon
301-521	Temple Hills	Landline	Verizon
301-522	Rockville	Wireless	Verizon
301-523	Laurel	Wireless	Sprint Spectrum
301-524	Frederick	Wireless	Sprint Spectrum
301-525	Montgomery Village	Landline	Quantum Telecommunications
301-526	Silver Spring	Wireless	New Cingular Wireless
301-527	Montgomery Village	Landline	Verizon
301-528	Montgomery Village	Landline	Verizon
301-529	Rockville	Wireless	New Cingular Wireless
301-530	Rockville	Landline	Verizon
301-531	Mount Rainier	Landline	Starpower Communications
301-532	Columbia	Wireless	Omnipoint Communications Cap Operations
301-533	Oakland	Landline	Verizon
301-534	Indian Head	Landline	Ymax Communications
301-535	Waldorf	Wireless	New Cingular Wireless
301-536	Leonardtown	Wireless	Sprint Spectrum
301-537	Laurel	Wireless	Sprint Spectrum
301-538	Chevy Chase	Wireless	New Cingular Wireless
301-539	Port Tobacco	Landline	Teleport Communications America
301-540	Montgomery Village	Landline	Verizon
301-541	Hyattsville	Landline	Teleport Communications America
301-542	Waldorf	Landline	Teleport Communications America
301-543	Laurel	Landline	Teleport Communications America
301-544	Rockville	Wireless	Verizon
301-545	Rockville	Landline	Verizon
301-546	Hyattsville	Landline	Verizon
301-547	Glen Echo	Landline	Teleport Communications America
301-548	Montgomery Village	Landline	Verizon
301-549	Laurel	Landline	Verizon
301-551	Silver Spring	Landline	Baltimore-washington Telephone (bwt)
301-552	Lanham	Landline	Verizon
301-553	Waldorf	Wireless	USA Mobility Wireless
301-554	Chevy Chase	Wireless	USA Mobility Wireless
301-556	Montgomery Village	Landline	Teleport Communications America
301-557	Silver Spring	Landline	Level 3 Communications
301-558	Riverdale	Wireless	USA Mobility Wireless
301-559	Takoma Park	Landline	Verizon
301-560	Mount Rainier	Landline	Paetec Communications
301-561	Silver Spring	Landline	Baltimore-washington Telephone (bwt)
301-562	Takoma Park	Landline	Verizon
301-563	Takoma Park	Landline	Verizon
301-564	Rockville	Landline	Verizon
301-565	Takoma Park	Landline	Verizon
301-566	Laurel	Wireless	Verizon
301-567	Temple Hills	Landline	Verizon
301-568	Suitland	Landline	Verizon
301-569	Montgomery Village	Wireless	Verizon
301-570	Ashton	Landline	Verizon
301-571	Rockville	Landline	Verizon
301-572	Silver Spring	Landline	Verizon
301-573	Hagerstown	Wireless	Sprint Spectrum
301-574	Upper Marlboro	Landline	Verizon
301-575	Laurel	Landline	US Lec Of Maryland
301-576	Silver Spring	Landline	Paetec Communications
301-577	Lanham	Landline	Verizon
301-578	Takoma Park	Landline	Verizon
301-579	Brandywine	Landline	Verizon
301-580	Silver Spring	Wireless	Verizon
301-581	Rockville	Landline	Verizon
301-582	Hagerstown	Landline	Verizon
301-583	Lanham	Landline	Verizon
301-584	Silver Spring	Landline	Baltimore-washington Telephone (bwt)
301-585	Takoma Park	Landline	Verizon
301-586	Silver Spring	Landline	Verizon
301-587	Takoma Park	Landline	Verizon
301-588	Takoma Park	Landline	Verizon
301-589	Takoma Park	Landline	Verizon
301-590	Montgomery Village	Landline	Verizon
301-591	Montgomery Village	Landline	Paetec Communications
301-592	Silver Spring	Landline	Verizon
301-593	Silver Spring	Landline	Verizon
301-594	Chevy Chase	Landline	Verizon
301-595	Silver Spring	Landline	Verizon
301-596	Columbia	Landline	Verizon
301-597	Hancock	Landline	New Frontiers Telecommunications
301-598	Silver Spring	Landline	Verizon
301-599	Clinton	Landline	Verizon
301-600	Frederick	Landline	Verizon
301-601	Montgomery Village	Landline	Verizon
301-602	Silver Spring	Wireless	Verizon
301-603	Silver Spring	Landline	Verizon
301-604	Laurel	Landline	Verizon
301-605	Rockville	Landline	Verizon
301-606	Frederick	Wireless	Verizon
301-607	New Market	Landline	Verizon
301-608	Takoma Park	Landline	Verizon
301-609	White Plains	Landline	Verizon
301-610	Rockville	Landline	Verizon
301-612	Sandy Spring	Wireless	Teleport Communications America
301-613	Laurel	Wireless	Sprint Spectrum
301-614	Riverdale	Landline	Verizon
301-615	Riverdale	Wireless	Bandwidth.com
301-616	Oakland	Wireless	Uscoc Of Cumberland
301-617	Laurel	Landline	Verizon
301-618	Lanham	Landline	Verizon
301-619	Frederick	Landline	Verizon
301-620	Frederick	Landline	Verizon
301-621	Lanham	Landline	Verizon
301-622	Spencerville	Landline	Verizon
301-623	Mount Rainier	Landline	Teleport Communications America
301-624	Frederick	Landline	Verizon
301-625	Spencerville	Landline	Verizon
301-626	Takoma Park	Wireless	Verizon
301-627	Upper Marlboro	Landline	Verizon
301-628	Mount Rainier	Landline	Teleport Communications America
301-629	Lanham	Wireless	Verizon
301-630	Temple Hills	Landline	Verizon
301-631	Frederick	Landline	Verizon
301-632	Waldorf	Landline	Verizon
301-633	Chevy Chase	Wireless	New Cingular Wireless
301-634	Mount Rainier	Landline	Teleport Communications America
301-635	Myersville	Landline	New Frontiers Telecommunications
301-636	Lanham	Landline	Verizon
301-637	Rockville	Landline	Level 3 Communications
301-638	Waldorf	Landline	Verizon
301-639	Frederick	Wireless	Verizon
301-640	Montgomery Village	Landline	Verizon
301-641	Silver Spring	Wireless	Verizon
301-642	Chevy Chase	Wireless	New Cingular Wireless
301-643	Waldorf	Wireless	Verizon
301-644	Frederick	Landline	Verizon
301-645	Waldorf	Landline	Verizon
301-646	Chevy Chase	Wireless	New Cingular Wireless
301-647	Laurel	Wireless	American Messaging Services
301-648	Chevy Chase	Wireless	New Cingular Wireless
301-649	Silver Spring	Landline	Verizon
301-650	Takoma Park	Landline	Verizon
301-651	Silver Spring	Wireless	Verizon
301-652	Chevy Chase	Landline	Verizon
301-653	Waldorf	Wireless	New Cingular Wireless
301-654	Chevy Chase	Landline	Verizon
301-655	Chevy Chase	Wireless	New Cingular Wireless
301-656	Chevy Chase	Landline	Verizon
301-657	Chevy Chase	Landline	Verizon
301-658	Sandy Spring	Landline	Teleport Communications America
301-659	Waldorf	Wireless	New Cingular Wireless
301-660	Keedysville	Wireless	New Cingular Wireless
301-661	Chevy Chase	Wireless	New Cingular Wireless
301-662	Frederick	Landline	Verizon
301-663	Frederick	Landline	Verizon
301-664	Chevy Chase	Landline	Verizon
301-665	Hagerstown	Landline	Verizon
301-666	Lanham	Landline	Teleport Communications America
301-667	Myersville	Wireless	New Cingular Wireless
301-668	Frederick	Landline	Verizon
301-669	Suitland	Landline	Verizon
301-670	Montgomery Village	Landline	Verizon
301-671	Hagerstown	Landline	New Frontiers Telecommunications
301-672	Tall Timbers	Wireless	Sprint Spectrum
301-673	Frederick	Landline	New Frontiers Telecommunications
301-674	Chevy Chase	Wireless	Sprint Spectrum
301-675	Silver Spring	Wireless	Omnipoint Communications Cap Operations
301-676	Frederick	Wireless	New Cingular Wireless
301-677	Lanham	Landline	Teleport Communications America
301-678	Hancock	Landline	Verizon
301-679	Silver Spring	Landline	Teleport Communications America
301-680	Spencerville	Landline	Verizon
301-681	Silver Spring	Landline	Verizon
301-682	Frederick	Landline	Verizon
301-683	Mount Rainier	Landline	Teleport Communications America
301-684	Indian Head	Landline	Teleport Communications America
301-685	Monrovia	Landline	Teleport Communications America
301-686	Temple Hills	Landline	Verizon
301-687	Frostburg	Landline	Verizon
301-688	Laurel	Landline	Verizon
301-689	Frostburg	Landline	Verizon
301-690	Leonardtown	Landline	Idt America
301-691	Poolesville	Landline	Teleport Communications America
301-692	Mount Rainier	Landline	Teleport Communications America
301-693	Frederick	Wireless	Omnipoint Communications Cap Operations
301-694	Frederick	Landline	Verizon
301-695	Frederick	Landline	Verizon
301-696	Frederick	Landline	Verizon
301-697	Cumberland	Wireless	New Cingular Wireless
301-698	Frederick	Landline	Verizon
301-699	Riverdale	Landline	Verizon
301-701	Takoma Park	Wireless	Bandwidth.com
301-702	Temple Hills	Landline	Verizon
301-703	Mount Airy	Landline	Level 3 Communications
301-704	Silver Spring	Wireless	Verizon
301-705	Waldorf	Landline	Verizon
301-706	Silver Spring	Wireless	Verizon
301-707	Cumberland	Wireless	Uscoc Of Cumberland
301-709	Cumberland	Wireless	Csc Wireless
301-710	Waldorf	Landline	Level 3 Communications
301-712	Frederick	Landline	Mcimetro Access Transmission Services
301-713	Takoma Park	Landline	Verizon
301-714	Hagerstown	Landline	Verizon
301-715	Upper Marlboro	Landline	Teleport Communications America
301-716	Laurel	Wireless	Verizon
301-717	Silver Spring	Wireless	Verizon
301-718	Chevy Chase	Landline	Verizon
301-719	Mount Rainier	Landline	Teleport Communications America
301-720	Brandywine	Landline	Teleport Communications America
301-721	Montgomery Village	Landline	Verizon
301-722	Cumberland	Landline	Verizon
301-723	Cumberland	Landline	Verizon
301-724	Cumberland	Landline	Verizon
301-725	Laurel	Landline	Verizon
301-727	Hyattsville	Landline	Baltimore-washington Telephone (bwt)
301-728	Silver Spring	Wireless	Omnipoint Communications Cap Operations
301-729	Cumberland	Landline	Verizon
301-730	Myersville	Wireless	New Cingular Wireless
301-731	Lanham	Landline	Verizon
301-732	Riverdale	Wireless	T-Mobile
301-733	Hagerstown	Landline	Verizon
301-734	Takoma Park	Landline	Verizon
301-735	Suitland	Landline	Verizon
301-736	Suitland	Landline	Verizon
301-737	Patuxent River	Landline	Verizon
301-738	Rockville	Landline	Verizon
301-739	Hagerstown	Landline	Verizon
301-740	Montgomery Village	Landline	Verizon
301-741	Laurel	Landline	Level 3 Communications
301-742	Chevy Chase	Wireless	New Cingular Wireless
301-743	Indian Head	Landline	Verizon
301-744	Indian Head	Landline	Verizon
301-745	Hagerstown	Landline	Verizon
301-746	Accident	Landline	Verizon
301-747	Temple Hills	Landline	Teleport Communications America
301-748	Frederick	Wireless	Sprint Spectrum
301-749	Temple Hills	Landline	Verizon
301-750	Mc Henry	Landline	Core Communications
301-751	Waldorf	Wireless	Verizon
301-752	Waldorf	Wireless	Verizon
301-753	Temple Hills	Landline	Verizon
301-754	Glen Echo	Landline	Verizon
301-755	Silver Spring	Landline	Mcimetro Access Transmission Services
301-756	Laurel	Landline	Level 3 Telecom Of Maryland
301-757	Patuxent River	Landline	Verizon
301-758	Silver Spring	Wireless	Verizon
301-759	Cumberland	Landline	Verizon
301-760	Chevy Chase	Landline	Level 3 Communications
301-761	Silver Spring	Landline	Level 3 Communications
301-762	Rockville	Landline	Verizon
301-763	Suitland	Landline	Verizon
301-764	Waldorf	Landline	Verizon
301-765	Potomac	Landline	Verizon
301-766	Hagerstown	Landline	Verizon
301-767	Potomac	Landline	Verizon
301-768	Glen Echo	Landline	Level 3 Communications
301-769	Bushwood	Landline	Verizon
301-770	Rockville	Landline	Verizon
301-771	Chevy Chase	Wireless	Verizon
301-772	Lanham	Landline	Verizon
301-773	Lanham	Landline	Verizon
301-774	Ashton	Landline	Verizon
301-775	Silver Spring	Wireless	Verizon
301-776	Laurel	Landline	Verizon
301-777	Cumberland	Landline	Verizon
301-778	Hyattsville	Landline	Mcimetro Access Transmission Services
301-779	Riverdale	Landline	Verizon
301-780	Upper Marlboro	Landline	Verizon
301-781	Frostburg	Landline	New Frontiers Telecommunications
301-782	Brandywine	Landline	Verizon
301-783	Cumberland	Landline	New Frontiers Telecommunications
301-784	Cumberland	Landline	Verizon
301-785	Silver Spring	Wireless	Verizon
301-786	Westernport	Landline	Verizon
301-787	Silver Spring	Wireless	Verizon
301-788	Frederick	Wireless	Verizon
301-789	Mount Rainier	Landline	Core Communications
301-790	Hagerstown	Landline	Verizon
301-791	Hagerstown	Landline	Verizon
301-792	Silver Spring	Wireless	Omnipoint Communications Cap Operations
301-793	Silver Spring	Wireless	Omnipoint Communications Cap Operations
301-794	Lanham	Landline	Verizon
301-795	Takoma Park	Landline	Mcimetro Access Transmission Services
301-796	Riverdale	Landline	Verizon
301-797	Hagerstown	Landline	Verizon
301-798	New Market	Landline	Verizon
301-799	Keedysville	Landline	Core Communications
301-800	Hagerstown	Wireless	Sprint Spectrum
301-801	Silver Spring	Wireless	Verizon
301-802	Silver Spring	Wireless	Verizon
301-803	Rockville	Landline	Verizon
301-804	Sandy Spring	Landline	Mcimetro Access Transmission Services
301-805	Glenn Dale	Landline	Verizon
301-806	Laurel	Wireless	Sprint Spectrum
301-807	Silver Spring	Wireless	Verizon
301-808	Hyattsville	Landline	Verizon
301-809	Glenn Dale	Landline	Verizon
301-810	Monrovia	Landline	AT&T
301-812	North Beach	Landline	Verizon
301-813	Chevy Chase	Landline	Baltimore-washington Telephone (bwt)
301-814	Chevy Chase	Wireless	New Cingular Wireless
301-815	Frederick	Landline	Verizon
301-816	Rockville	Landline	Verizon
301-817	Suitland	Landline	Verizon
301-818	Waldorf	Landline	Bandwidth.com
301-819	Takoma Park	Wireless	Verizon
301-820	Montgomery Village	Landline	AT&T
301-821	Laurel	Landline	AT&T
301-822	Silver Spring	Landline	AT&T
301-823	Oxon Hill	Landline	AT&T
301-824	Smithsburg	Landline	Verizon
301-825	Rockville	Landline	AT&T
301-826	Patuxent River	Landline	Verizon
301-827	Chevy Chase	Landline	Verizon
301-828	Chevy Chase	Landline	AT&T
301-829	Mount Airy	Landline	Verizon
301-830	Silver Spring	Landline	AT&T
301-831	Frederick	Landline	Verizon
301-832	Mount Rainier	Landline	AT&T
301-833	Lanham	Landline	Teleport Communications America
301-834	Brunswick	Landline	Verizon
301-835	Hagerstown	Wireless	Vonage America
301-836	Hyattsville	Landline	Verizon
301-837	Takoma Park	Landline	Mcimetro Access Transmission Services
301-838	Rockville	Landline	Verizon
301-839	Temple Hills	Landline	Verizon
301-840	Montgomery Village	Landline	Verizon
301-841	Takoma Park	Landline	Mcimetro Access Transmission Services
301-842	Clear Spring	Landline	Verizon
301-843	Waldorf	Landline	Verizon
301-844	Glen Echo	Wireless	Sprint Spectrum
301-845	Walkersville	Landline	Verizon
301-846	Frederick	Landline	Verizon
301-847	Silver Spring	Landline	Verizon
301-848	Waldorf	Wireless	Verizon
301-849	Oakland	Landline	New Frontiers Telecommunications
301-850	Lanham	Landline	Level 3 Communications
301-851	Riverdale	Landline	Verizon
301-852	Riverdale	Landline	Verizon
301-853	Takoma Park	Landline	Verizon
301-854	Columbia	Landline	Verizon
301-855	Upper Marlboro	Landline	Verizon
301-856	Clinton	Landline	Verizon
301-857	Clear Spring	Landline	Core Communications
301-858	Lanham	Landline	Verizon
301-859	Temple Hills	Landline	Level 3 Communications
301-860	Glenn Dale	Landline	Verizon
301-861	Waldorf	Landline	Level 3 Communications
301-862	Patuxent River	Landline	Verizon
301-863	Patuxent River	Landline	Verizon
301-864	Riverdale	Landline	Verizon
301-865	New Market	Landline	Verizon
301-866	Patuxent River	Landline	Verizon
301-867	Lanham	Landline	Mcimetro Access Transmission Services
301-868	Clinton	Landline	Verizon
301-869	Montgomery Village	Landline	Verizon
301-870	Waldorf	Landline	Verizon
301-871	Silver Spring	Landline	Verizon
301-872	Ridge	Landline	Verizon
301-873	Silver Spring	Wireless	Verizon
301-874	Frederick	Landline	Verizon
301-875	Laurel	Landline	Verizon
301-876	Cumberland	Landline	Level 3 Communications
301-877	Clinton	Landline	Verizon
301-878	Baltimore	Landline	Mcimetro Access Transmission Services
301-879	Spencerville	Landline	Verizon
301-880	Tall Timbers	Landline	Level 3 Communications
301-881	Rockville	Landline	Verizon
301-882	New Market	Landline	Core Communications
301-883	Lanham	Landline	Verizon
301-884	Mechanicsville	Landline	Verizon
301-885	Waldorf	Landline	Verizon
301-886	Laurel	Landline	Verizon
301-887	Riverdale	Landline	Verizon
301-888	Brandywine	Landline	Verizon
301-889	Lanham	Landline	Verizon
301-890	Silver Spring	Landline	Verizon
301-891	Takoma Park	Landline	Verizon
301-892	Mount Rainier	Landline	Verizon
301-893	Waldorf	Landline	Verizon
301-894	Temple Hills	Landline	Verizon
301-895	Grantsville	Landline	Verizon
301-896	Rockville	Landline	Verizon
301-897	Rockville	Landline	Verizon
301-898	Walkersville	Landline	Verizon
301-899	Temple Hills	Landline	Verizon
301-900	Glen Echo	Landline	Onvoy
301-901	Riverdale	Landline	Verizon
301-902	Silver Spring	Landline	Verizon
301-903	Montgomery Village	Landline	Verizon
301-904	Leonardtown	Wireless	Verizon
301-905	Silver Spring	Landline	Verizon
301-906	Chevy Chase	Wireless	New Cingular Wireless
301-907	Chevy Chase	Landline	Verizon
301-908	Silver Spring	Wireless	Verizon
301-909	Hyattsville	Landline	Mcimetro Access Transmission Services
301-910	Chevy Chase	Wireless	New Cingular Wireless
301-912	Odenton	Landline	Verizon
301-913	Chevy Chase	Landline	Verizon
301-914	Swanton	Landline	Mountain Communications
301-915	Chevy Chase	Landline	Starpower Communications
301-916	Poolesville	Landline	Verizon
301-917	Rockville	Landline	Starpower Communications
301-918	Lanham	Landline	Verizon
301-919	Chevy Chase	Wireless	New Cingular Wireless
301-920	Silver Spring	Landline	Starpower Communications
301-921	Montgomery Village	Landline	Verizon
301-922	Silver Spring	Wireless	Verizon
301-923	Takoma Park	Wireless	Bandwidth.com
301-924	Ashton	Landline	Verizon
301-925	Lanham	Landline	Verizon
301-926	Montgomery Village	Landline	Verizon
301-927	Riverdale	Landline	Verizon
301-928	Silver Spring	Wireless	Verizon
301-929	Silver Spring	Landline	Verizon
301-930	Takoma Park	Wireless	Verizon
301-931	Silver Spring	Landline	Verizon
301-932	White Plains	Landline	Verizon
301-933	Silver Spring	Landline	Verizon
301-934	White Plains	Landline	Verizon
301-935	Takoma Park	Landline	Verizon
301-936	Hagerstown	Landline	Telnyx
301-937	Silver Spring	Landline	Verizon
301-938	Silver Spring	Wireless	Verizon
301-939	Laurel	Landline	Verizon
301-940	Spencerville	Wireless	Verizon
301-941	Chevy Chase	Landline	Verizon
301-942	Silver Spring	Landline	Verizon
301-943	Silver Spring	Wireless	Verizon
301-944	Montgomery Village	Landline	Mcimetro Access Transmission Services
301-945	Takoma Park	Landline	Mcimetro Access Transmission Services
301-946	Silver Spring	Landline	Verizon
301-947	Montgomery Village	Landline	Verizon
301-948	Montgomery Village	Landline	Verizon
301-949	Silver Spring	Landline	Verizon
301-951	Chevy Chase	Landline	Verizon
301-952	Upper Marlboro	Landline	Verizon
301-953	Laurel	Landline	Verizon
301-955	Takoma Park	Landline	Mcimetro Access Transmission Services
301-956	Rockville	Landline	Verizon
301-957	Laurel	Landline	Mcimetro Access Transmission Services
301-960	Silver Spring	Landline	Mcimetro Access Transmission Services
301-961	Chevy Chase	Landline	Verizon
301-962	Silver Spring	Landline	Verizon
301-963	Montgomery Village	Landline	Verizon
301-964	Myersville	Wireless	New Cingular Wireless
301-965	Takoma Park	Landline	Mcimetro Access Transmission Services
301-966	Takoma Park	Landline	Mcimetro Access Transmission Services
301-967	Suitland	Landline	Verizon
301-968	Chevy Chase	Landline	Mcimetro Access Transmission Services
301-969	Knoxville	Landline	Comcast Ip Phone
301-970	Riva	Landline	Verizon
301-971	Temple Hills	Landline	Starpower Communications
301-972	Montgomery Village	Landline	Verizon
301-973	Lanham	Landline	Bandwidth.com
301-974	Laurel	Landline	Starpower Communications
301-975	Montgomery Village	Landline	Verizon
301-976			Baltimore-washington Telephone (bwt)
301-977	Montgomery Village	Landline	Verizon
301-978	Montgomery Village	Landline	Verizon
301-979	Montgomery Village	Landline	Verizon
301-980	Silver Spring	Wireless	Verizon
301-981	Mount Rainier	Landline	Level 3 Telecom Of Maryland
301-982	Riverdale	Landline	Verizon
301-983	Potomac	Landline	Verizon
301-984	Rockville	Landline	Verizon
301-985	Riverdale	Landline	Verizon
301-986	Chevy Chase	Landline	Verizon
301-987	Montgomery Village	Landline	Verizon
301-988	Hagerstown	Wireless	Uscoc Of Cumberland
301-989	Spencerville	Landline	Verizon
301-990	Montgomery Village	Landline	Verizon
301-991	Hagerstown	Wireless	Sprint Spectrum
301-992	Hagerstown	Wireless	Sprint Spectrum
301-993	Riverdale	Wireless	Verizon
301-994	Lexington Park	Landline	Verizon
301-995	Patuxent River	Landline	Verizon
301-996	Laurel	Wireless	Sprint Spectrum
301-997	Leonardtown	Landline	Verizon
301-998	Rockville	Landline	Verizon

Statistics for area code 301

Prefixes Usages