Maryland

Area code 301

Area code 301 covers Washington Grove, Washington, Frederick, Gaithersburg, Laurel and more in Maryland, in the Eastern time zone. It has been in service since 1947. It shares its area with 227, 240 (an overlay).

WhereMaryland

Time zoneEastern

Exchanges784

Flagged numbers28137 complaints

Most reported 301 numbers

Carriers in 301

Verizon463 66%
Verizon Wireless51 7%
AT&T Mobility47 7%
Verizon Business43 6%
AT&T34 5%
T-Mobile31 4%
Lumen (Level 3)20 3%
T-Mobile (Metro)14 2%

Line types

Landline486 62%
Wireless (cell phone)149 19%
VoIP / internet phone140 18%
Pager9 1%

Counted over the exchanges, from the carrier each was assigned to.

Cities in area code 301

Washington GroveWashingtonFrederickGaithersburgLaurelWaldorfHagerstownCumberland

Every 301 exchange

The first six digits of a number. Each one with 3 or more flagged numbers has its own page: who it was assigned to and the numbers in it.

Exchange	City	Carrier	Type	Flagged
301-200	Indian Head	Bandwidth	VoIP	1
301-201	Washington	AT&T Mobility	Wireless	0
301-202	Washington Grove	AT&T Mobility	Wireless	1
301-203	Washington Grove	Verizon	Landline	0
301-204	Washington Grove	AT&T Mobility	Wireless	0
301-205		Verizon	Landline	0
301-206		Verizon	Landline	0
301-207		Spok (paging)	Pager	0
301-208	Gaithersburg	Verizon	Landline	0
301-209	Washington Grove	Verizon	Landline	0
301-210	Laurel	Verizon	Landline	0
301-212	Washington	Verizon	Landline	0
301-213	Washington Grove	T-Mobile	Wireless	0
301-214	Washington Grove	Verizon	Landline	0
301-215	Washington Grove	Verizon	Landline	0
301-216	Gaithersburg	Verizon	Landline	0
301-217	Washington	Verizon	Landline	0
301-218		Verizon	Landline	0
301-219	Washington Grove	AT&T Mobility	Wireless	0
301-220		Verizon	Landline	0
301-221	Washington Grove	AT&T Mobility	Wireless	0
301-222	Washington Grove	Windstream (PAETEC)	VoIP	0
301-223	Williamsport	Verizon	Landline	0
301-224	Washington Grove	Spok (paging)	Pager	0
301-225		AT&T	VoIP	0
301-226	Washington Grove	Verizon	Landline	0
301-227	Washington Grove	Verizon	Landline	0
301-228	Frederick	Verizon	Landline	0
301-229	Washington Grove	Verizon	Landline	0
301-230	Washington	Verizon	Landline	0
301-231	Washington	Verizon	Landline	0
301-232		Verizon Business	VoIP	1
301-233	Washington Grove	Verizon Wireless	Wireless	0
301-234	Washington	Verizon	Landline	0
301-235	Washington	Verizon Business	VoIP	0
301-236	Washington	Verizon	Landline	0
301-237	Washington Grove	T-Mobile	Wireless	0
301-238	Washington	Verizon	Landline	0
301-239	Washington Grove	Verizon	Landline	0
301-240	Washington	Verizon	Landline	0
301-241	Highfield	Verizon	Landline	0
301-242		Verizon Business	VoIP	0
301-243	Washington Grove	Verizon	Landline	0
301-244	Washington Grove	Windstream (PAETEC)	VoIP	0
301-245	Bittinger	Verizon	Landline	1
301-246	Nanjemoy	Verizon	Landline	0
301-247	Leonardtown	AT&T Mobility	Wireless	0
301-248	Washington Grove	Verizon	Landline	0
301-249		Verizon	Landline	0
301-250	Gaithersburg	Verizon Business	VoIP	0
301-251	Washington	Verizon	Landline	0
301-252	Gaithersburg	T-Mobile (Metro)	Wireless	0
301-253		Verizon	Landline	0
301-254	Washington Grove	T-Mobile	Wireless	0
301-255	Washington	Verizon	Landline	0
301-256	Laurel	Verizon Business	VoIP	0
301-257	Washington Grove	T-Mobile	Wireless	0
301-258	Washington	Verizon	Landline	0
301-259		Verizon	Landline	0
301-260		Verizon	Landline	0
301-261		Verizon	Landline	0
301-262		Verizon	Landline	0
301-263	Washington Grove	Verizon	Landline	0
301-264	Mt Savage	Verizon	Landline	0
301-265	Washington Grove	Verizon	Landline	1
301-266	Waldorf	AT&T Mobility	Wireless	0
301-267	Washington Grove	T-Mobile	Wireless	0
301-268	Cumberland	UScellular	Wireless	0
301-269	Washington Grove	Verizon Business	VoIP	0
301-270	Washington Grove	Verizon	Landline	0
301-271	Thurmont	Verizon	Landline	0
301-272	Washington Grove	Verizon Business	VoIP	0
301-273	Washington Grove	Verizon Business	VoIP	0
301-274	Hughesvl	Verizon	Landline	0
301-275	Washington Grove	AT&T Mobility	Wireless	0
301-276	Washington Grove	Verizon Business	VoIP	0
301-277	Washington Grove	Verizon	Landline	0
301-278	Washington Grove	Verizon Business	VoIP	0
301-279	Washington	Verizon	Landline	0
301-280	Washington Grove	Verizon	Landline	0
301-281	Washington Grove	Verizon Business	VoIP	0
301-282	Washington	Verizon	Landline	0
301-283	Washington Grove	Verizon	Landline	0
301-284	Washington	Verizon Business	VoIP	0
301-285	Washington Grove	Verizon	Landline	0
301-286		Verizon	Landline	0
301-287	Washington	Verizon Business	VoIP	0
301-288	Washington	Verizon Business	VoIP	1
301-289		Verizon Business	VoIP	0
301-290		Verizon	Landline	0
301-291		Verizon Business	VoIP	0
301-292	Washington Grove	Verizon	Landline	0
301-293	Myersville	Verizon	Landline	0
301-294	Washington	Verizon	Landline	0
301-295	Washington Grove	Verizon	Landline	0
301-296	Washington	Verizon Business	VoIP	0
301-297	Washington	Verizon	Landline	0
301-298		Verizon Business	VoIP	0
301-299	Washington	Verizon	Landline	0
301-300	Washington Grove	Verizon Wireless	Wireless	0
301-301	Gaithersburg	Onvoy (Sinch)	VoIP	0
301-302	Hagerstown	T-Mobile (Metro)	Wireless	0
301-303		Spok (paging)	Pager	0
301-304	Walkersville	Comcast (Xfinity)	VoIP	0
301-305	Frederick	T-Mobile (Metro)	Wireless	0
301-306	Washington Grove	Verizon	Landline	0
301-307		Verizon	Landline	0
301-308		Spok (paging)	Pager	0
301-309	Washington	Verizon	Landline	0
301-310	Laurel	Verizon	Landline	0
301-312	Washington Grove	AT&T Mobility	Wireless	0
301-313		Verizon	Landline	0
301-314	Washington Grove	Windstream (PAETEC)	VoIP	0
301-315	Washington	Verizon	Landline	0
301-316	Washington Grove	Verizon	Landline	0
301-317	Laurel	Verizon	Landline	0
301-318	Washington Grove	AT&T Mobility	Wireless	0
301-319	Washington Grove	Verizon	Landline	0
301-320	Washington Grove	Verizon	Landline	0
301-321	Washington	Onvoy (Sinch)	VoIP	0
301-322	Washington Grove	Verizon	Landline	0
301-323	Laurel	Lumen (Level 3)	VoIP	0
301-324	Washington Grove	Verizon	Landline	0
301-325	Washington Grove	Verizon Wireless	Wireless	0
301-326	Washington Grove	T-Mobile	Wireless	0
301-327		Comcast (Xfinity)	VoIP	0
301-328	Washington Grove	Comcast (Xfinity)	VoIP	0
301-329		Onvoy (Sinch)	VoIP	2
301-330	Gaithersburg	Verizon	Landline	0
301-331	Hagerstown	AT&T Mobility	Wireless	0
301-332	Washington Grove	AT&T Mobility	Wireless	0
301-333	Washington Grove	Verizon	Landline	0
301-334	Oakland	Verizon	Landline	0
301-335	Washington Grove	AT&T Mobility	Wireless	0
301-336	Washington Grove	Verizon	Landline	0
301-337	Gaithersburg	Verizon Business	VoIP	0
301-338	Cumberland	Idt America	Landline	0
301-339	Washington	Windstream (PAETEC)	VoIP	0
301-340	Washington	Verizon	Landline	0
301-341	Washington Grove	Verizon	Landline	0
301-342		Verizon	Landline	0
301-343	Washington Grove	T-Mobile (Metro)	Wireless	0
301-344		Verizon	Landline	0
301-345		Verizon	Landline	0
301-346	Washington Grove	AT&T Mobility	Wireless	0
301-347	Washington Grove	Verizon	Landline	0
301-348	Washington	Verizon Business	VoIP	0
301-349	Poolesville	Verizon	Landline	0
301-350	Washington Grove	Verizon	Landline	0
301-351	Washington Grove	Verizon Wireless	Wireless	0
301-352		Verizon	Landline	0
301-353	Washington	Verizon	Landline	0
301-354	Washington	AT&T	VoIP	0
301-355	Gaithersburg	Verizon	Landline	0
301-356	Laurel	Global Telecom Brokers	Landline	0
301-357	Washington Grove	Verizon Wireless	Wireless	0
301-358		Lumen (Level 3)	VoIP	0
301-359	Westernport	Verizon	Landline	0
301-360	Frederick	Verizon	Landline	0
301-361	Washington Grove	Lumen (Level 3)	VoIP	0
301-362	Laurel	Verizon	Landline	0
301-363		Lumen (Level 3)	VoIP	2
301-364	Washington Grove	Verizon Business	VoIP	0
301-365	Washington Grove	Verizon	Landline	0
301-366	Gaithersburg	T-Mobile (Metro)	Wireless	0
301-367	Washington Grove	Verizon Wireless	Wireless	0
301-368		Verizon	Landline	0
301-369		Verizon	Landline	0
301-370	Gaithersburg	T-Mobile (Metro)	Wireless	0
301-371	Middletown	Verizon	Landline	0
301-372	Washington	Verizon	Landline	0
301-373	Leonardtown	Verizon	Landline	0
301-374	Waldorf	Verizon	Landline	0
301-375	Indian Head	Verizon	Landline	0
301-376	Laurel	Verizon	Landline	0
301-377	Laurel	Comcast (Xfinity)	VoIP	0
301-378	Frederick	Comcast (Xfinity)	VoIP	0
301-379	Washington Grove	T-Mobile	Wireless	0
301-380	Washington Grove	Verizon	Landline	0
301-381	Washington Grove	Onvoy (Sinch)	VoIP	0
301-382	Washington	Verizon	Landline	0
301-383		Comcast (Xfinity)	VoIP	0
301-384	Washington	Verizon	Landline	0
301-385	Washington Grove	AT&T Mobility	Wireless	0
301-386	Washington Grove	Verizon	Landline	0
301-387	Oakland	Verizon	Landline	0
301-388	Washington	Verizon	Landline	0
301-389		Lumen (Level 3)	VoIP	0
301-390		Verizon	Landline	0
301-391		Verizon	Landline	0
301-392	La Plata	Verizon	Landline	0
301-393	Hagerstown	Verizon	Landline	0
301-394	Washington Grove	Verizon	Landline	0
301-395	Laurel	Verizon Wireless	Wireless	0
301-396	Waldorf	Verizon	Landline	0
301-397		Verizon	Landline	0
301-398	Washington	Verizon	Landline	0
301-399	Waldorf	T-Mobile (Metro)	Wireless	0
301-400	Washington Grove	Verizon	Landline	0
301-401	Frederick	AT&T Mobility	Wireless	0
301-402	Washington Grove	Verizon	Landline	0
301-403	Washington Grove	Verizon	Landline	0
301-404	Washington Grove	T-Mobile	Wireless	0
301-405	Washington Grove	Windstream (PAETEC)	VoIP	0
301-406	Washington Grove	Spok (paging)	Pager	0
301-407	Gaithersburg	Verizon	Landline	0
301-408	Washington Grove	Verizon	Landline	0
301-409	Washington Grove	Onvoy (Sinch)	VoIP	0
301-410	Washington Grove	Onvoy (Sinch)	VoIP	0
301-412	Washington Grove	AT&T Mobility	Wireless	0
301-413	Washington	Verizon	Landline	0
301-414		Verizon	Landline	0
301-415	Washington Grove	Verizon	Landline	0
301-416	Myersville	Verizon	Landline	0
301-417	Washington	Verizon	Landline	0
301-418	Frederick	Verizon	Landline	0
301-419		Verizon	Landline	0
301-420	Washington Grove	Verizon	Landline	0
301-421		Verizon	Landline	0
301-422	Washington Grove	Verizon	Landline	0
301-423	Washington Grove	Verizon	Landline	0
301-424	Washington	Verizon	Landline	0
301-425		Verizon	Landline	0
301-426		Verizon	Landline	0
301-427	Washington Grove	Verizon	Landline	0
301-428	Washington	Verizon	Landline	0
301-429	Washington Grove	Verizon	Landline	0
301-430		Verizon	Landline	0
301-431	Washington Grove	Verizon	Landline	0
301-432	Keedysville	Verizon	Landline	0
301-433	Washington Grove	Verizon	Landline	0
301-434	Washington Grove	Verizon	Landline	0
301-435	Washington Grove	Verizon	Landline	0
301-436	Washington Grove	Verizon	Landline	0
301-437	Washington Grove	T-Mobile	Wireless	0
301-438	Washington	Verizon	Landline	0
301-439	Washington Grove	Verizon	Landline	0
301-440	Washington Grove	T-Mobile (Metro)	Wireless	0
301-441		Verizon	Landline	0
301-442	Washington Grove	T-Mobile	Wireless	0
301-443	Washington	Verizon	Landline	0
301-444	Washington	Verizon	Landline	1
301-445	Washington Grove	Verizon	Landline	0
301-446		Verizon	Landline	0
301-447	Emmitsburg	Verizon	Landline	0
301-448	Washington Grove	Comcast (Xfinity)	VoIP	0
301-449	Washington Grove	Verizon	Landline	0
301-450	Washington Grove	AT&T Mobility	Wireless	1
301-451	Washington Grove	Verizon	Landline	0
301-452	Washington Grove	Verizon Wireless	Wireless	0
301-453	Kitzmiller	Verizon	Landline	0
301-454	Washington Grove	Verizon	Landline	0
301-455	Washington Grove	T-Mobile	Wireless	0
301-456	Washington Grove	Comcast (Xfinity)	VoIP	0
301-457	Washington Grove	Verizon	Landline	0
301-458	Washington Grove	AT&T	VoIP	0
301-459	Washington Grove	Verizon	Landline	0
301-460	Washington	Verizon	Landline	0
301-461	Washington	Verizon Wireless	Wireless	0
301-462	Myersville	T-Mobile (Metro)	Wireless	0
301-463	Lonaconing	Verizon	Landline	0
301-464		Verizon	Landline	0
301-465	Myersville	T-Mobile	Wireless	0
301-466	Washington Grove	Verizon Wireless	Wireless	0
301-467	Washington Grove	Verizon Wireless	Wireless	0
301-468	Washington	Verizon	Landline	0
301-469	Washington Grove	Verizon	Landline	0
301-470		Verizon	Landline	0
301-471	Frederick	Verizon Wireless	Wireless	0
301-472		Verizon	Landline	0
301-473	Frederick	Verizon	Landline	0
301-474		Verizon	Landline	0
301-475	Leonardtown	Verizon	Landline	0
301-476		Verizon	Landline	0
301-477		Comcast (Xfinity)	VoIP	0
301-478		Verizon	Landline	0
301-479		Verizon Business	VoIP	0
301-480	Washington Grove	Verizon	Landline	0
301-481	Leonardtown	Verizon Wireless	Wireless	0
301-482		Verizon	Landline	0
301-483	Laurel	Verizon	Landline	0
301-484	Washington Grove	Comcast (Xfinity)	VoIP	0
301-485	Washington Grove	Comcast (Xfinity)	VoIP	0
301-486		Verizon	Landline	0
301-487	Myersville	Verizon	Landline	0
301-488		Verizon	Landline	0
301-489		Verizon	Landline	0
301-490	Laurel	Verizon	Landline	0
301-491	Hagerstown	UScellular	Wireless	0
301-492	Washington Grove	Verizon	Landline	0
301-493	Washington Grove	Verizon	Landline	0
301-494		Verizon	Landline	0
301-495	Washington Grove	Verizon	Landline	0
301-496	Washington Grove	Verizon	Landline	0
301-497	Laurel	Verizon	Landline	0
301-498	Laurel	Verizon	Landline	0
301-499	Washington Grove	Verizon	Landline	0
301-500	Washington Grove	Verizon Business	VoIP	0
301-501	Oakland	AT&T Mobility	Wireless	0
301-502	Washington Grove	Verizon Wireless	Wireless	0
301-503	Washington Grove	AT&T Mobility	Wireless	0
301-504	Washington Grove	Verizon	Landline	0
301-505	Washington Grove	Verizon	Landline	0
301-506		Spok (paging)	Pager	0
301-507		Verizon	Landline	0
301-508	Myersville	AT&T Mobility	Wireless	0
301-509	Washington Grove	Verizon Wireless	Wireless	0
301-510		Spok (paging)	Pager	0
301-512	Washington Grove	Verizon Wireless	Wireless	0
301-513		Verizon	Landline	0
301-514	Frederick	Verizon Wireless	Wireless	0
301-515	Gaithersburg	Verizon	Landline	0
301-516	Washington Grove	Verizon	Landline	0
301-517	Washington	Verizon	Landline	0
301-518	Washington Grove	Verizon Wireless	Wireless	0
301-519	Gaithersburg	Verizon	Landline	0
301-520	Washington Grove	Verizon Wireless	Wireless	0
301-521	Washington Grove	Verizon	Landline	0
301-522	Washington	Verizon	Landline	0
301-523	Washington Grove	T-Mobile	Wireless	0
301-524	Frederick	T-Mobile	Wireless	0
301-525	Gaithersburg	Quantum Telecommunications	Landline	0
301-526	Washington Grove	AT&T Mobility	Wireless	0
301-527	Gaithersburg	Verizon	Landline	0
301-528	Gaithersburg	Verizon	Landline	0
301-529	Washington	AT&T Mobility	Wireless	0
301-530	Washington Grove	Verizon	Landline	0
301-531	Washington Grove	Starpower Communications	Landline	0
301-532	Laurel	T-Mobile	Wireless	0
301-533	Oakland	Verizon	Landline	0
301-534	Indian Head	YMax (magicJack)	VoIP	0
301-535	Waldorf	AT&T Mobility	Wireless	0
301-536	Leonardtown	T-Mobile (Metro)	Wireless	0
301-537	Washington Grove	T-Mobile	Wireless	0
301-538	Washington Grove	AT&T Mobility	Wireless	0
301-539	La Plata	AT&T	VoIP	0
301-540	Gaithersburg	Verizon	Landline	0
301-541	Washington Grove	AT&T	VoIP	0
301-542	Waldorf	AT&T	VoIP	0
301-543	Laurel	AT&T	VoIP	0
301-544	Washington	Verizon	Landline	0
301-545	Washington	Verizon	Landline	0
301-546	Washington Grove	Verizon	Landline	0
301-547	Washington Grove	AT&T	VoIP	0
301-548	Washington	Verizon	Landline	0
301-549		Verizon	Landline	0
301-550	Washington	AT&T Mobility	Wireless	0
301-551	Washington Grove	Baltimore-Washington Telephone...	Landline	0
301-552		Verizon	Landline	0
301-553	Waldorf	Spok (paging)	Pager	0
301-554	Washington Grove	Spok (paging)	Pager	0
301-556	Gaithersburg	AT&T	VoIP	0
301-557	Washington Grove	Lumen (Level 3)	VoIP	0
301-558		T-Mobile	Wireless	1
301-559	Washington Grove	Verizon	Landline	0
301-560	Washington Grove	Windstream (PAETEC)	VoIP	0
301-561	Washington Grove	Baltimore-Washington Telephone...	Landline	0
301-562	Washington Grove	Verizon	Landline	0
301-563	Washington Grove	Verizon	Landline	0
301-564	Washington Grove	Verizon	Landline	0
301-565	Washington Grove	Verizon	Landline	0
301-566		Verizon	Landline	0
301-567	Washington Grove	Verizon	Landline	0
301-568	Washington Grove	Verizon	Landline	0
301-569	Gaithersburg	Verizon Wireless	Wireless	0
301-570		Verizon	Landline	0
301-571	Washington Grove	Verizon	Landline	0
301-572	Washington Grove	Verizon	Landline	0
301-573	Hagerstown	T-Mobile (Metro)	Wireless	0
301-574		Verizon	Landline	0
301-575	Laurel	Windstream (PAETEC)	VoIP	0
301-576	Washington Grove	Windstream (PAETEC)	VoIP	0
301-577	Washington Grove	Verizon	Landline	0
301-578	Washington Grove	Verizon	Landline	0
301-579		Verizon	Landline	0
301-580	Washington Grove	Verizon Wireless	Wireless	0
301-581	Washington Grove	Verizon	Landline	0
301-582	Hagerstown	Verizon	Landline	0
301-583	Washington Grove	Verizon	Landline	0
301-584	Washington	Baltimore-Washington Telephone...	Landline	0
301-585	Washington Grove	Verizon	Landline	0
301-586	Washington Grove	Verizon	Landline	0
301-587	Washington Grove	Verizon	Landline	0
301-588	Washington Grove	Verizon	Landline	0
301-589	Washington Grove	Verizon	Landline	0
301-590	Washington	Verizon	Landline	0
301-591	Gaithersburg	Windstream (PAETEC)	VoIP	0
301-592	Washington Grove	Verizon	Landline	0
301-593	Washington Grove	Verizon	Landline	0
301-594	Washington Grove	Verizon	Landline	0
301-595		Verizon	Landline	0
301-596	Laurel	Verizon	Landline	0
301-597	Waldorf	AT&T Mobility	Wireless	0
301-598	Washington	Verizon	Landline	0
301-599	Washington Grove	Verizon	Landline	0
301-600	Frederick	Verizon	Landline	0
301-601	Washington	Verizon	Landline	0
301-602	Washington Grove	Verizon Wireless	Wireless	0
301-603	Washington	Verizon	Landline	0
301-604	Laurel	Verizon	Landline	0
301-605	Washington	Verizon	Landline	0
301-606	Frederick	Verizon Wireless	Wireless	0
301-607		Verizon	Landline	0
301-608	Washington Grove	Verizon	Landline	0
301-609	Waldorf	Verizon	Landline	0
301-610	Washington	Verizon	Landline	0
301-612		AT&T	VoIP	0
301-613	Washington Grove	T-Mobile	Wireless	0
301-614		Verizon	Landline	0
301-615		Bandwidth	VoIP	0
301-616	Oakland	UScellular	Wireless	0
301-617	Laurel	Verizon	Landline	0
301-618	Washington Grove	Verizon	Landline	0
301-619	Frederick	Verizon	Landline	0
301-620	Frederick	Verizon	Landline	0
301-621		Verizon	Landline	0
301-622	Washington Grove	Verizon	Landline	0
301-623		AT&T	VoIP	0
301-624	Frederick	Verizon	Landline	0
301-625	Washington Grove	Verizon	Landline	0
301-626	Washington Grove	Verizon	Landline	0
301-627		Verizon	Landline	0
301-628	Washington Grove	AT&T	VoIP	0
301-629		Verizon	Landline	0
301-630	Washington Grove	Verizon	Landline	0
301-631	Frederick	Verizon	Landline	0
301-632	Waldorf	Verizon	Landline	0
301-633	Washington Grove	AT&T Mobility	Wireless	0
301-634	Washington Grove	AT&T	VoIP	0
301-635	Washington Grove	Bandwidth	VoIP	0
301-636	Washington Grove	Verizon	Landline	0
301-637	Washington	Lumen (Level 3)	VoIP	0
301-638	Waldorf	Verizon	Landline	0
301-639	Frederick	Verizon Wireless	Wireless	0
301-640	Washington	Verizon	Landline	0
301-641	Washington Grove	Verizon Wireless	Wireless	0
301-642	Washington Grove	AT&T Mobility	Wireless	0
301-643	Waldorf	Verizon Wireless	Wireless	0
301-644	Frederick	Verizon	Landline	0
301-645	Waldorf	Verizon	Landline	0
301-646	Washington Grove	AT&T Mobility	Wireless	0
301-647		American Messaging Services	Landline	0
301-648	Washington Grove	AT&T Mobility	Wireless	0
301-649	Washington	Verizon	Landline	0
301-650	Washington Grove	Verizon	Landline	0
301-651	Washington Grove	Verizon Wireless	Wireless	0
301-652	Washington Grove	Verizon	Landline	0
301-653	Waldorf	AT&T Mobility	Wireless	0
301-654	Washington Grove	Verizon	Landline	0
301-655	Washington Grove	AT&T Mobility	Wireless	0
301-656	Washington Grove	Verizon	Landline	0
301-657	Washington Grove	Verizon	Landline	0
301-658		AT&T	VoIP	0
301-659	Waldorf	AT&T Mobility	Wireless	0
301-660	Keedysville	AT&T Mobility	Wireless	0
301-661	Washington Grove	AT&T Mobility	Wireless	0
301-662	Frederick	Verizon	Landline	0
301-663	Frederick	Verizon	Landline	0
301-664	Washington Grove	Verizon	Landline	0
301-665	Hagerstown	Verizon	Landline	0
301-666		AT&T	VoIP	0
301-667	Myersville	AT&T Mobility	Wireless	0
301-668	Frederick	Verizon	Landline	0
301-669	Washington Grove	Verizon	Landline	0
301-670	Washington	Verizon	Landline	0
301-671	Hagerstown	Bandwidth	VoIP	0
301-672		T-Mobile	Wireless	0
301-673	Frederick	AT&T Mobility	Wireless	0
301-674	Washington Grove	T-Mobile	Wireless	0
301-675	Washington Grove	T-Mobile	Wireless	0
301-676	Frederick	AT&T Mobility	Wireless	0
301-677		AT&T	VoIP	0
301-678	Hancock	Verizon	Landline	0
301-679	Washington	AT&T	VoIP	0
301-680	Washington Grove	Verizon	Landline	0
301-681	Washington Grove	Verizon	Landline	0
301-682	Frederick	Verizon	Landline	0
301-683	Washington Grove	AT&T	VoIP	1
301-684	Indian Head	AT&T	VoIP	0
301-685		AT&T	VoIP	0
301-686	Washington Grove	Verizon	Landline	0
301-687	Frostburg	Verizon	Landline	0
301-688		Verizon	Landline	0
301-689	Frostburg	Verizon	Landline	0
301-690	Leonardtown	Idt America	Landline	0
301-691	Poolesville	AT&T	VoIP	1
301-692	Washington	AT&T	VoIP	0
301-693	Frederick	T-Mobile	Wireless	0
301-694	Frederick	Verizon	Landline	0
301-695	Frederick	Verizon	Landline	0
301-696	Frederick	Verizon	Landline	0
301-697	Cumberland	AT&T Mobility	Wireless	0
301-698	Frederick	Verizon	Landline	0
301-699	Washington Grove	Verizon	Landline	0
301-701		Bandwidth	VoIP	0
301-702	Washington Grove	Verizon	Landline	0
301-703	Mount Airy	Lumen (Level 3)	VoIP	0
301-704	Washington Grove	Verizon Wireless	Wireless	0
301-705	Waldorf	Verizon	Landline	0
301-706	Washington Grove	Verizon Wireless	Wireless	0
301-707	Cumberland	UScellular	Wireless	0
301-708	Laurel	Verizon Wireless	Wireless	0
301-709	Cumberland	Csc Wireless	Wireless	0
301-710	Waldorf	Lumen (Level 3)	VoIP	0
301-712	Frederick	Verizon Business	VoIP	0
301-713	Washington Grove	Verizon	Landline	0
301-714	Hagerstown	Verizon	Landline	0
301-715		AT&T	VoIP	0
301-716		Verizon	Landline	0
301-717	Washington Grove	Verizon Wireless	Wireless	0
301-718	Washington Grove	Verizon	Landline	0
301-719	Washington	AT&T	VoIP	0
301-720		AT&T	VoIP	0
301-721	Washington	Verizon	Landline	0
301-722	Cumberland	Verizon	Landline	0
301-723	Cumberland	Verizon	Landline	0
301-724	Cumberland	Verizon	Landline	0
301-725	Laurel	Verizon	Landline	0
301-726	Kitzmiller	Verizon Business	VoIP	0
301-727	Washington Grove	Baltimore-Washington Telephone...	Landline	0
301-728	Washington Grove	T-Mobile	Wireless	0
301-729	Cumberland	Verizon	Landline	0
301-730	Myersville	AT&T Mobility	Wireless	0
301-731	Washington Grove	Verizon	Landline	0
301-732	Frederick	T-Mobile (Metro)	Wireless	0
301-733	Hagerstown	Verizon	Landline	0
301-734	Washington Grove	Verizon	Landline	0
301-735	Washington Grove	Verizon	Landline	0
301-736	Washington Grove	Verizon	Landline	0
301-737		Verizon	Landline	0
301-738	Washington	Verizon	Landline	0
301-739	Hagerstown	Verizon	Landline	0
301-740	Gaithersburg	Verizon	Landline	0
301-741	Laurel	Lumen (Level 3)	VoIP	0
301-742	Washington Grove	AT&T Mobility	Wireless	0
301-743	Indian Head	Verizon	Landline	0
301-744	Indian Head	Verizon	Landline	0
301-745	Hagerstown	Verizon	Landline	0
301-746	Friendsville	Verizon	Landline	0
301-747	Washington Grove	AT&T	VoIP	0
301-748	Frederick	T-Mobile (Metro)	Wireless	0
301-749	Washington Grove	Verizon	Landline	0
301-750	Friendsville	Core Communications	Landline	0
301-751	Waldorf	Verizon Wireless	Wireless	0
301-752	Waldorf	Verizon Wireless	Wireless	0
301-753	Washington Grove	Verizon	Landline	0
301-754	Washington Grove	Verizon	Landline	0
301-755	Washington Grove	Verizon Business	VoIP	0
301-756		Lumen (Level 3)	VoIP	0
301-757		Verizon	Landline	0
301-758	Washington Grove	Verizon Wireless	Wireless	0
301-759	Cumberland	Verizon	Landline	0
301-760	Washington Grove	Lumen (Level 3)	VoIP	0
301-761	Washington	Lumen (Level 3)	VoIP	0
301-762	Washington	Verizon	Landline	0
301-763	Washington Grove	Verizon	Landline	0
301-764	Waldorf	Verizon	Landline	0
301-765	Washington	Verizon	Landline	0
301-766	Hagerstown	Verizon	Landline	0
301-767	Washington Grove	Verizon	Landline	0
301-768	Washington Grove	Lumen (Level 3)	VoIP	0
301-769	Leonardtown	Verizon	Landline	0
301-770	Washington	Verizon	Landline	0
301-771	Washington Grove	Verizon	Landline	0
301-772	Washington Grove	Verizon	Landline	0
301-773	Washington Grove	Verizon	Landline	0
301-774		Verizon	Landline	0
301-775	Washington Grove	Verizon Wireless	Wireless	0
301-776	Laurel	Verizon	Landline	0
301-777	Cumberland	Verizon	Landline	0
301-778	Washington Grove	Verizon Business	VoIP	2
301-779	Washington Grove	Verizon	Landline	0
301-780		Verizon	Landline	0
301-781	Washington Grove	Onvoy (Sinch)	VoIP	0
301-782		Verizon	Landline	0
301-783	Cumberland	Bandwidth	VoIP	3
301-784	Cumberland	Verizon	Landline	0
301-785	Washington Grove	Verizon Wireless	Wireless	0
301-786	Mccoole	Verizon	Landline	0
301-787	Washington Grove	Verizon Wireless	Wireless	0
301-788	Frederick	Verizon Wireless	Wireless	0
301-789	Washington Grove	Core Communications	Landline	0
301-790	Hagerstown	Verizon	Landline	0
301-791	Hagerstown	Verizon	Landline	0
301-792	Washington Grove	T-Mobile	Wireless	0
301-793	Washington Grove	T-Mobile	Wireless	0
301-794		Verizon	Landline	0
301-795	Washington	Verizon Business	VoIP	0
301-796		Verizon	Landline	0
301-797	Hagerstown	Verizon	Landline	0
301-798		Verizon	Landline	1
301-799	Keedysville	Core Communications	Landline	0
301-800	Hagerstown	T-Mobile	Wireless	0
301-801	Washington Grove	Verizon Wireless	Wireless	0
301-802	Washington Grove	Verizon Wireless	Wireless	0
301-803	Washington Grove	Verizon	Landline	0
301-804		Verizon Business	VoIP	0
301-805		Verizon	Landline	0
301-806	Washington Grove	T-Mobile	Wireless	0
301-807	Washington Grove	Verizon Wireless	Wireless	0
301-808	Washington Grove	Verizon	Landline	0
301-809		Verizon	Landline	0
301-810	Buckeystn	Onvoy (Sinch)	VoIP	0
301-812		Verizon	Landline	0
301-813	Washington Grove	Baltimore-Washington Telephone...	Landline	0
301-814	Washington Grove	AT&T Mobility	Wireless	0
301-815	Frederick	Verizon	Landline	0
301-816	Washington	Verizon	Landline	0
301-817	Washington Grove	Verizon	Landline	0
301-818	Waldorf	Bandwidth	VoIP	0
301-819	Washington Grove	Verizon	Landline	0
301-820	Gaithersburg	AT&T	VoIP	0
301-821	Laurel	AT&T	VoIP	0
301-822	Washington	Verizon Business	VoIP	1
301-823		AT&T	VoIP	0
301-824	Smithsburg	Verizon	Landline	0
301-825	Washington	AT&T	Landline	0
301-826		Verizon	Landline	0
301-827	Washington Grove	Verizon	Landline	0
301-828	Washington Grove	AT&T	VoIP	0
301-829	Mount Airy	Verizon	Landline	0
301-830	Washington Grove	AT&T	VoIP	0
301-831		Verizon	Landline	0
301-832	Washington Grove	AT&T	VoIP	0
301-833		AT&T	VoIP	0
301-834	Brunswick	Verizon	Landline	0
301-835	Frederick	Vonage	VoIP	0
301-836	Washington Grove	Verizon	Landline	0
301-837		Verizon Business	VoIP	0
301-838	Washington	Verizon	Landline	0
301-839	Washington Grove	Verizon	Landline	0
301-840	Washington	Verizon	Landline	0
301-841	Washington Grove	Verizon Business	VoIP	0
301-842	Clear Spring	Verizon	Landline	0
301-843	Washington Grove	Verizon	Landline	0
301-844	Washington Grove	T-Mobile	Wireless	0
301-845	Walkersville	Verizon	Landline	0
301-846	Frederick	Verizon	Landline	0
301-847	Washington	Verizon	Landline	0
301-848	Waldorf	Verizon Wireless	Wireless	0
301-849	Oakland	Bandwidth	VoIP	0
301-850		Lumen (Level 3)	VoIP	0
301-851	Washington Grove	Verizon	Landline	0
301-852	Washington Grove	Verizon	Landline	0
301-853	Washington Grove	Verizon	Landline	0
301-854		Verizon	Landline	0
301-855		Verizon	Landline	0
301-856	Washington	Verizon	Landline	0
301-857	Clear Spring	Core Communications	Landline	0
301-858		Verizon	Landline	0
301-859	Oakland	Lumen (Level 3)	VoIP	1
301-860		Verizon	Landline	0
301-861	Waldorf	Lumen (Level 3)	VoIP	0
301-862		Verizon	Landline	0
301-863		Verizon	Landline	0
301-864	Washington Grove	Verizon	Landline	0
301-865	New Market	Verizon	Landline	0
301-866		Verizon	Landline	0
301-867		Verizon Business	VoIP	1
301-868	Washington	Verizon	Landline	0
301-869	Gaithersburg	Verizon	Landline	0
301-870	Washington Grove	Verizon	Landline	0
301-871	Washington	Verizon	Landline	0
301-872	Ridgely	Verizon	Landline	0
301-873	Washington Grove	Verizon Wireless	Wireless	0
301-874	Buckeystn	Verizon	Landline	0
301-875	Laurel	Verizon Wireless	Wireless	0
301-876	Cumberland	Lumen (Level 3)	VoIP	0
301-877	Washington	Verizon	Landline	0
301-878	Baltimore	Verizon Business	VoIP	0
301-879	Washington	Verizon	Landline	0
301-880		Lumen (Level 3)	VoIP	0
301-881	Washington	Verizon	Landline	0
301-882	New Market	Core Communications	Landline	1
301-883	Washington Grove	Verizon	Landline	0
301-884		Verizon	Landline	0
301-885	Waldorf	Verizon	Landline	0
301-886		Bandwidth	VoIP	0
301-887	Washington Grove	Verizon	Landline	0
301-888	Washington	Verizon	Landline	0
301-889		Verizon	Landline	0
301-890	Washington	Verizon	Landline	0
301-891	Washington Grove	Verizon	Landline	0
301-892	Washington Grove	Verizon	Landline	0
301-893	Washington Grove	Verizon	Landline	0
301-894	Washington Grove	Verizon	Landline	0
301-895	Grantsville	Verizon	Landline	0
301-896	Washington Grove	Verizon	Landline	0
301-897	Washington Grove	Verizon	Landline	0
301-898	Frederick	Verizon	Landline	0
301-899	Washington Grove	Verizon	Landline	0
301-900	Washington Grove	Onvoy (Sinch)	VoIP	0
301-901		Verizon	Landline	1
301-902		Verizon	Landline	0
301-903	Washington	Verizon	Landline	0
301-904	Leonardtown	Verizon Wireless	Wireless	0
301-905	Washington Grove	Verizon	Landline	0
301-906	Washington Grove	AT&T Mobility	Wireless	0
301-907	Washington Grove	Verizon	Landline	0
301-908	Washington Grove	Verizon Wireless	Wireless	0
301-909	Washington Grove	Verizon Business	VoIP	0
301-910	Washington Grove	AT&T Mobility	Wireless	0
301-912		Verizon	Landline	0
301-913	Washington Grove	Verizon	Landline	0
301-914	Oakland	Procom	Landline	0
301-915	Washington Grove	Starpower Communications	Landline	0
301-916	Gaithersburg	Verizon	Landline	0
301-917	Washington	Starpower Communications	Landline	0
301-918	Washington Grove	Verizon	Landline	0
301-919	Washington Grove	AT&T Mobility	Wireless	0
301-920	Washington Grove	Starpower Communications	Landline	0
301-921	Washington	Verizon	Landline	0
301-922	Washington Grove	Verizon Wireless	Wireless	0
301-923		Bandwidth	VoIP	0
301-924	Washington	Verizon	Landline	0
301-925	Washington Grove	Verizon	Landline	0
301-926	Gaithersburg	Verizon	Landline	0
301-927	Washington Grove	Verizon	Landline	0
301-928	Washington Grove	Verizon Wireless	Wireless	0
301-929	Washington	Verizon	Landline	0
301-930	Washington Grove	Verizon	Landline	0
301-931		Verizon	Landline	0
301-932	Waldorf	Verizon	Landline	0
301-933	Washington	Verizon	Landline	0
301-934	La Plata	Verizon	Landline	0
301-935		Verizon	Landline	0
301-936	Hagerstown	Telnyx	VoIP	0
301-937		Verizon	Landline	0
301-938	Washington Grove	Verizon Wireless	Wireless	0
301-939		Verizon	Landline	0
301-940	Washington Grove	Verizon	Landline	0
301-941	Washington Grove	Verizon	Landline	0
301-942	Washington	Verizon	Landline	0
301-943	Washington Grove	Verizon Wireless	Wireless	0
301-944	Gaithersburg	Verizon Business	VoIP	0
301-945	Washington	Verizon Business	VoIP	0
301-946	Washington	Verizon	Landline	0
301-947	Gaithersburg	Verizon	Landline	0
301-948	Washington	Verizon	Landline	0
301-949	Washington	Verizon	Landline	0
301-951	Washington Grove	Verizon	Landline	0
301-952		Verizon	Landline	0
301-953		Verizon	Landline	0
301-955	Washington Grove	Verizon Business	VoIP	0
301-956	Gaithersburg	Verizon	Landline	0
301-957	Laurel	Verizon Business	VoIP	0
301-960	Washington Grove	Verizon Business	VoIP	0
301-961	Washington Grove	Verizon	Landline	0
301-962	Washington	Verizon	Landline	0
301-963	Gaithersburg	Verizon	Landline	0
301-964	Myersville	AT&T Mobility	Wireless	0
301-965	Washington Grove	Verizon Business	VoIP	0
301-966	Washington	Verizon Business	VoIP	0
301-967	Washington Grove	Verizon	Landline	0
301-968	Washington Grove	Verizon Business	VoIP	0
301-969	Brunswick	Comcast (Xfinity)	VoIP	2
301-970		Verizon	Landline	0
301-971	Washington Grove	Starpower Communications	Landline	0
301-972	Gaithersburg	Verizon	Landline	0
301-973		Bandwidth	VoIP	0
301-974	Laurel	Starpower Communications	Landline	0
301-975	Washington	Verizon	Landline	0
301-977	Gaithersburg	Verizon	Landline	0
301-978	Washington	Verizon	Landline	0
301-979	Washington	T-Mobile	Wireless	0
301-980	Washington Grove	Verizon Wireless	Wireless	0
301-981	Washington Grove	Lumen (Level 3)	VoIP	0
301-982		Verizon	Landline	0
301-983	Washington	Verizon	Landline	0
301-984	Washington	Verizon	Landline	0
301-985	Washington Grove	Verizon	Landline	0
301-986	Washington Grove	Verizon	Landline	0
301-987	Gaithersburg	Verizon	Landline	0
301-988	Hagerstown	UScellular	Wireless	0
301-989	Washington	Verizon	Landline	0
301-990	Gaithersburg	Verizon	Landline	0
301-991	Hagerstown	T-Mobile	Wireless	0
301-992	Hagerstown	T-Mobile (Metro)	Wireless	0
301-993		Verizon	Landline	0
301-994		Verizon	Landline	0
301-995		Verizon	Landline	0
301-996	Washington Grove	T-Mobile	Wireless	0
301-997	Leonardtown	Verizon	Landline	0
301-998	Washington	Verizon	Landline	0

Area code 301 questions

Where is area code 301?

Area code 301 is in Maryland. Its biggest rate centers are Washington Grove, Washington, Frederick, Gaithersburg, Laurel.

What time zone is area code 301?

Area code 301 is in the Eastern time zone.

Is a call from area code 301 a scam?

An area code alone can't tell you. Scammers use and spoof numbers in every area code. 28 301 numbers have been flagged on ShadyCall. Look up the full number to see its reports and FTC/FCC complaints.

What carriers use area code 301?

Of its 784 exchanges, the most were assigned to Verizon, Verizon Wireless, AT&T Mobility. Numbers can be ported to any carrier, so the exchange shows the original carrier only.

What area codes overlay 301?

301 shares its area with 227, 240. In an overlay, new numbers get the newer codes and you dial all ten digits.