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
301-808	Washington	MD	VERIZON MARYLAND, INC.
301-809	Washington	MD	VERIZON MARYLAND, INC.
301-810	Buckeystown	MD	ONVOY SPECTRUM, LLC
301-812	Washington	MD	VERIZON MARYLAND, INC.
301-813	Washington	MD	BALTIMORE-WASHINGTON TELEPHONE (BWT)
301-814	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-815	Frederick	MD	VERIZON MARYLAND, INC.
301-816	Washington	MD	VERIZON MARYLAND, INC.
301-817	Washington	MD	VERIZON MARYLAND, INC.
301-818	Waldorf	MD	BANDWIDTH.COM CLEC, LLC - MD
301-819	Washington	MD	VERIZON MARYLAND, INC.
301-820	Gaithersburg	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-821	Laurel	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-822	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-823	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-824	Smithsburg	MD	VERIZON MARYLAND, INC.
301-825	Washington	MD	AT&T - LOCAL
301-826	Lexington Park-Great Mills	MD	VERIZON MARYLAND, INC.
301-827	Washington	MD	VERIZON MARYLAND, INC.
301-828	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-829	Mount Airy	MD	VERIZON MARYLAND, INC.
301-830	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - MD
301-831	Damascus (Hagerstown LATA)	MD	VERIZON MARYLAND, INC.
301-832	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-833	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-834	Brunswick	MD	VERIZON MARYLAND, INC.
301-835	Frederick	MD	VONAGE AMERICA LLC
301-836	Washington	MD	VERIZON MARYLAND, INC.
301-837	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-838	Washington	MD	VERIZON MARYLAND, INC.
301-839	Washington	MD	VERIZON MARYLAND, INC.
301-840	Washington	MD	VERIZON MARYLAND, INC.
301-841	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-842	Clear Spring	MD	VERIZON MARYLAND, INC.
301-843	Washington	MD	VERIZON MARYLAND, INC.
301-844	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-845	Walkersville	MD	VERIZON MARYLAND, INC.
301-846	Frederick	MD	VERIZON MARYLAND, INC.
301-847	Washington	MD	VERIZON MARYLAND, INC.
301-848	Waldorf	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-849	Oakland	MD	BANDWIDTH.COM CLEC, LLC - MD
301-850	Washington	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
301-851	Washington	MD	VERIZON MARYLAND, INC.
301-852	Washington	MD	VERIZON MARYLAND, INC.
301-853	Washington	MD	VERIZON MARYLAND, INC.
301-854	Ashton (Baltimore LATA)	MD	VERIZON MARYLAND, INC.
301-855	Washington	MD	VERIZON MARYLAND, INC.
301-856	Washington	MD	VERIZON MARYLAND, INC.
301-857	Clear Spring	MD	CORE COMMUNICATIONS, INC.- MD
301-858	Washington	MD	VERIZON MARYLAND, INC.
301-859	Oakland	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
301-860	Washington	MD	VERIZON MARYLAND, INC.
301-861	Waldorf	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
301-862	Lexington Park-Great Mills	MD	VERIZON MARYLAND, INC.
301-863	Lexington Park-Great Mills	MD	VERIZON MARYLAND, INC.
301-864	Washington	MD	VERIZON MARYLAND, INC.
301-865	New Market	MD	VERIZON MARYLAND, INC.
301-866	Lexington Park-Great Mills	MD	VERIZON MARYLAND, INC.
301-867	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-868	Washington	MD	VERIZON MARYLAND, INC.
301-869	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-870	Washington	MD	VERIZON MARYLAND, INC.
301-871	Washington	MD	VERIZON MARYLAND, INC.
301-872	Ridge	MD	VERIZON MARYLAND, INC.
301-873	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-874	Buckeystown	MD	VERIZON MARYLAND, INC.
301-875	Laurel	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-876	Cumberland	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
301-877	Washington	MD	VERIZON MARYLAND, INC.
301-878	Baltimore	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD
301-879	Washington	MD	VERIZON MARYLAND, INC.
301-880	Lexington Park-Great Mills	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
301-881	Washington	MD	VERIZON MARYLAND, INC.
301-882	New Market	MD	CORE COMMUNICATIONS, INC.- MD
301-883	Washington	MD	VERIZON MARYLAND, INC.
301-884	Mechanicsville	MD	VERIZON MARYLAND, INC.
301-885	Waldorf	MD	VERIZON MARYLAND, INC.
301-886	Washington	MD	BANDWIDTH.COM CLEC, LLC - MD
301-887	Washington	MD	VERIZON MARYLAND, INC.
301-888	Washington	MD	VERIZON MARYLAND, INC.
301-889	Washington	MD	VERIZON MARYLAND, INC.
301-890	Washington	MD	VERIZON MARYLAND, INC.
301-891	Washington	MD	VERIZON MARYLAND, INC.
301-892	Washington	MD	VERIZON MARYLAND, INC.
301-893	Washington	MD	VERIZON MARYLAND, INC.
301-894	Washington	MD	VERIZON MARYLAND, INC.
301-895	Grantsville	MD	VERIZON MARYLAND, INC.
301-896	Washington	MD	VERIZON MARYLAND, INC.
301-897	Washington	MD	VERIZON MARYLAND, INC.
301-898	Frederick	MD	VERIZON MARYLAND, INC.
301-899	Washington	MD	VERIZON MARYLAND, INC.
301-900	Washington	MD	ONVOY, LLC - MD
301-901	Washington	MD	VERIZON MARYLAND, INC.
301-902	Washington	MD	VERIZON MARYLAND, INC.
301-903	Washington	MD	VERIZON MARYLAND, INC.
301-904	Leonardtown	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-905	Washington	MD	VERIZON MARYLAND, INC.
301-906	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-907	Washington	MD	VERIZON MARYLAND, INC.
301-908	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-909	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-910	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-912	Washington	MD	VERIZON MARYLAND, INC.
301-913	Washington	MD	VERIZON MARYLAND, INC.
301-914	Oakland	MD	MOUNTAIN COMMUNICATIONS, LLC DBA PROCOM - MD
301-915	Washington	MD	STARPOWER COMMUNICATIONS, LLC - MD
301-916	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-917	Washington	MD	STARPOWER COMMUNICATIONS, LLC - MD
301-918	Washington	MD	VERIZON MARYLAND, INC.
301-919	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-920	Washington	MD	STARPOWER COMMUNICATIONS, LLC - MD
301-921	Washington	MD	VERIZON MARYLAND, INC.
301-922	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-923	Washington	MD	BANDWIDTH.COM CLEC, LLC - MD
301-924	Washington	MD	VERIZON MARYLAND, INC.
301-925	Washington	MD	VERIZON MARYLAND, INC.
301-926	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-927	Washington	MD	VERIZON MARYLAND, INC.
301-928	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-929	Washington	MD	VERIZON MARYLAND, INC.
301-930	Washington	MD	VERIZON MARYLAND, INC.
301-931	Washington	MD	VERIZON MARYLAND, INC.
301-932	Waldorf	MD	VERIZON MARYLAND, INC.
301-933	Washington	MD	VERIZON MARYLAND, INC.
301-934	La Plata	MD	VERIZON MARYLAND, INC.
301-935	Washington	MD	VERIZON MARYLAND, INC.
301-936	Hagerstown	MD	TELNYX LLC
301-937	Washington	MD	VERIZON MARYLAND, INC.
301-938	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-939	Washington	MD	VERIZON MARYLAND, INC.
301-940	Washington	MD	VERIZON MARYLAND, INC.
301-941	Washington	MD	VERIZON MARYLAND, INC.
301-942	Washington	MD	VERIZON MARYLAND, INC.
301-943	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-944	Gaithersburg	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-945	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-946	Washington	MD	VERIZON MARYLAND, INC.
301-947	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-948	Washington	MD	VERIZON MARYLAND, INC.
301-949	Washington	MD	VERIZON MARYLAND, INC.
301-951	Washington	MD	VERIZON MARYLAND, INC.
301-952	Washington	MD	VERIZON MARYLAND, INC.
301-953	Washington	MD	VERIZON MARYLAND, INC.
301-954	Washington	MD	VERIZON MARYLAND, INC.
301-955	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-956	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-957	Laurel	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-960	Washington	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-961	Washington	MD	VERIZON MARYLAND, INC.
301-962	Washington	MD	VERIZON MARYLAND, INC.

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