Area Code 301 - Maryland

Every 301 prefix with its city and carrier. Got a specific number? Search it here.

Area code 301 serves Maryland (Eastern time zone) with 786 assigned prefixes. Major rate centers include Washington, Frederick, Gaithersburg, Waldorf, Laurel, Hagerstown, Cumberland, Lexington Park-Great Mills. Received a call from a 301 number? Type the full number into the search box above to see its city, carrier, and community reports.

Prefixes in area code 301

Prefix	City	State	Carrier
301-200	Indian Head	MD	BANDWIDTH.COM CLEC, LLC - MD
301-201	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-202	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-203	Washington	MD	VERIZON MARYLAND, INC.
301-204	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-205	Washington	MD	VERIZON MARYLAND, INC.
301-206	Washington	MD	VERIZON MARYLAND, INC.
301-207	Washington	MD	SPOK, INC.
301-208	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-209	Washington	MD	VERIZON MARYLAND, INC.
301-210	Laurel	MD	VERIZON MARYLAND, INC.
301-212	Washington	MD	VERIZON MARYLAND, INC.
301-213	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-214	Washington	MD	VERIZON MARYLAND, INC.
301-215	Washington	MD	VERIZON MARYLAND, INC.
301-216	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-217	Washington	MD	VERIZON MARYLAND, INC.
301-218	Washington	MD	VERIZON MARYLAND, INC.
301-219	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-220	Washington	MD	VERIZON MARYLAND, INC.
301-221	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-222	Washington	MD	PAETEC ITEL, LLC
301-223	Williamsport	MD	VERIZON MARYLAND, INC.
301-224	Washington	MD	SPOK, INC.
301-225	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-226	Washington	MD	VERIZON MARYLAND, INC.
301-227	Washington	MD	VERIZON MARYLAND, INC.
301-228	Frederick	MD	VERIZON MARYLAND, INC.
301-229	Washington	MD	VERIZON MARYLAND, INC.
301-230	Washington	MD	VERIZON MARYLAND, INC.
301-231	Washington	MD	VERIZON MARYLAND, INC.
301-232	Ashton	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-233	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-234	Washington	MD	VERIZON MARYLAND, INC.
301-235	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-236	Washington	MD	VERIZON MARYLAND, INC.
301-237	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-238	Washington	MD	VERIZON MARYLAND, INC.
301-239	Washington	MD	VERIZON MARYLAND, INC.
301-240	Washington	MD	VERIZON MARYLAND, INC.
301-241	Highfield	MD	VERIZON MARYLAND, INC.
301-242	Brandywine	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-243	Washington	MD	VERIZON MARYLAND, INC.
301-244	Washington	MD	PAETEC ITEL, LLC
301-245	Bittinger	MD	VERIZON MARYLAND, INC.
301-246	Nanjemoy	MD	VERIZON MARYLAND, INC.
301-247	Leonardtown	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-248	Washington	MD	VERIZON MARYLAND, INC.
301-249	Washington	MD	VERIZON MARYLAND, INC.
301-250	Gaithersburg	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-251	Washington	MD	VERIZON MARYLAND, INC.
301-252	Gaithersburg	MD	METROPCS, INC.
301-253	Damascus	MD	VERIZON MARYLAND, INC.
301-254	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-255	Washington	MD	VERIZON MARYLAND, INC.
301-256	Laurel	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-257	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-258	Washington	MD	VERIZON MARYLAND, INC.
301-259	Tompkinsville	MD	VERIZON MARYLAND, INC.
301-260	Ashton	MD	VERIZON MARYLAND, INC.
301-261	Washington	MD	VERIZON MARYLAND, INC.
301-262	Washington	MD	VERIZON MARYLAND, INC.
301-263	Washington	MD	VERIZON MARYLAND, INC.
301-264	Mount Savage	MD	VERIZON MARYLAND, INC.
301-265	Washington	MD	VERIZON MARYLAND, INC.
301-266	Waldorf	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-267	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-268	Cumberland	MD	USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
301-269	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-270	Washington	MD	VERIZON MARYLAND, INC.
301-271	Thurmont	MD	VERIZON MARYLAND, INC.
301-272	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-273	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-274	Hughesville	MD	VERIZON MARYLAND, INC.
301-275	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-276	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-277	Washington	MD	VERIZON MARYLAND, INC.
301-278	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-279	Washington	MD	VERIZON MARYLAND, INC.
301-280	Washington	MD	VERIZON MARYLAND, INC.
301-281	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-282	Washington	MD	VERIZON MARYLAND, INC.
301-283	Washington	MD	VERIZON MARYLAND, INC.
301-284	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-285	Washington	MD	VERIZON MARYLAND, INC.
301-286	Washington	MD	VERIZON MARYLAND, INC.
301-287	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-288	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-289	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-290	Mechanicsville	MD	VERIZON MARYLAND, INC.
301-291	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-292	Washington	MD	VERIZON MARYLAND, INC.
301-293	Myersville	MD	VERIZON MARYLAND, INC.
301-294	Washington	MD	VERIZON MARYLAND, INC.
301-295	Washington	MD	VERIZON MARYLAND, INC.
301-296	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-297	Washington	MD	VERIZON MARYLAND, INC.
301-298	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-299	Washington	MD	VERIZON MARYLAND, INC.
301-300	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-301	Gaithersburg	MD	ONVOY, LLC - MD
301-302	Hagerstown	MD	METROPCS, INC.
301-303	Washington	MD	SPOK, INC.
301-304	Walkersville	MD	COMCAST IP PHONE, LLC
301-305	Frederick	MD	METROPCS, INC.
301-306	Washington	MD	VERIZON MARYLAND, INC.
301-307	Washington	MD	VERIZON MARYLAND, INC.
301-308	Washington	MD	SPOK, INC.
301-309	Washington	MD	VERIZON MARYLAND, INC.
301-310	Laurel (Baltimore LATA)	MD	VERIZON MARYLAND, INC.
301-312	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-313	Washington	MD	VERIZON MARYLAND, INC.
301-314	Washington	MD	PAETEC ITEL, LLC
301-315	Washington	MD	VERIZON MARYLAND, INC.
301-316	Washington	MD	VERIZON MARYLAND, INC.
301-317	Laurel	MD	VERIZON MARYLAND, INC.
301-318	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-319	Washington	MD	VERIZON MARYLAND, INC.
301-320	Washington	MD	VERIZON MARYLAND, INC.
301-321	Washington	MD	ONVOY, LLC - MD
301-322	Washington	MD	VERIZON MARYLAND, INC.
301-323	Laurel	MD	LEVEL 3 TELECOM OF MARYLAND, LLC - MD
301-324	Washington	MD	VERIZON MARYLAND, INC.
301-325	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-326	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-327	Washington	MD	COMCAST IP PHONE, LLC
301-328	Washington	MD	COMCAST IP PHONE, LLC
301-329	Ashton (Baltimore LATA)	MD	ONVOY, LLC - MD
301-330	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-331	Hagerstown	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-332	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-333	Washington	MD	VERIZON MARYLAND, INC.
301-334	Oakland	MD	VERIZON MARYLAND, INC.
301-335	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-336	Washington	MD	VERIZON MARYLAND, INC.
301-337	Gaithersburg	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-338	Cumberland	MD	IDT AMERICA, CORP. - MD
301-339	Washington	MD	PAETEC ITEL, LLC
301-340	Washington	MD	VERIZON MARYLAND, INC.
301-341	Washington	MD	VERIZON MARYLAND, INC.
301-342	Lexington Park-Great Mills	MD	VERIZON MARYLAND, INC.
301-343	Washington	MD	METROPCS, INC.
301-344	Washington	MD	VERIZON MARYLAND, INC.
301-345	Washington	MD	VERIZON MARYLAND, INC.
301-346	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-347	Washington	MD	VERIZON MARYLAND, INC.
301-348	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-349	Poolesville	MD	VERIZON MARYLAND, INC.
301-350	Washington	MD	VERIZON MARYLAND, INC.
301-351	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD

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