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
301-503	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-504	Washington	MD	VERIZON MARYLAND, INC.
301-505	Washington	MD	VERIZON MARYLAND, INC.
301-506	Washington	MD	SPOK, INC.
301-507	Washington	MD	VERIZON MARYLAND, INC.
301-508	Myersville	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-509	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-510	Washington	MD	SPOK, INC.
301-512	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-513	Washington	MD	VERIZON MARYLAND, INC.
301-514	Frederick	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-515	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-516	Washington	MD	VERIZON MARYLAND, INC.
301-517	Washington	MD	VERIZON MARYLAND, INC.
301-518	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-519	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-520	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-521	Washington	MD	VERIZON MARYLAND, INC.
301-522	Washington	MD	VERIZON MARYLAND, INC.
301-523	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-524	Frederick	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-525	Gaithersburg	MD	QUANTUM TELECOMMUNICATIONS, INC. - MD
301-526	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-527	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-528	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-529	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-530	Washington	MD	VERIZON MARYLAND, INC.
301-531	Washington	MD	STARPOWER COMMUNICATIONS, LLC - MD
301-532	Laurel (Baltimore LATA)	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-533	Oakland	MD	VERIZON MARYLAND, INC.
301-534	Indian Head	MD	YMAX COMMUNICATIONS CORP. - MD
301-535	Waldorf	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-536	Leonardtown	MD	METROPCS, INC.
301-537	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-538	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-539	La Plata	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-540	Gaithersburg	MD	VERIZON MARYLAND, INC.
301-541	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-542	Waldorf	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-543	Laurel	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-544	Washington	MD	VERIZON MARYLAND, INC.
301-545	Washington	MD	VERIZON MARYLAND, INC.
301-546	Washington	MD	VERIZON MARYLAND, INC.
301-547	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-548	Washington	MD	VERIZON MARYLAND, INC.
301-549	Ashton	MD	VERIZON MARYLAND, INC.
301-550	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-551	Washington	MD	BALTIMORE-WASHINGTON TELEPHONE (BWT)
301-552	Washington	MD	VERIZON MARYLAND, INC.
301-553	Waldorf	MD	SPOK, INC.
301-554	Washington	MD	SPOK, INC.
301-556	Gaithersburg	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-557	Washington	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
301-558	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-559	Washington	MD	VERIZON MARYLAND, INC.
301-560	Washington	MD	PAETEC ITEL, LLC
301-561	Washington	MD	BALTIMORE-WASHINGTON TELEPHONE (BWT)
301-562	Washington	MD	VERIZON MARYLAND, INC.
301-563	Washington	MD	VERIZON MARYLAND, INC.
301-564	Washington	MD	VERIZON MARYLAND, INC.
301-565	Washington	MD	VERIZON MARYLAND, INC.
301-566	Washington	MD	VERIZON MARYLAND, INC.
301-567	Washington	MD	VERIZON MARYLAND, INC.
301-568	Washington	MD	VERIZON MARYLAND, INC.
301-569	Gaithersburg	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-570	Ashton	MD	VERIZON MARYLAND, INC.
301-571	Washington	MD	VERIZON MARYLAND, INC.
301-572	Washington	MD	VERIZON MARYLAND, INC.
301-573	Hagerstown	MD	METROPCS, INC.
301-574	Washington	MD	VERIZON MARYLAND, INC.
301-575	Laurel	MD	PAETEC ITEL, LLC
301-576	Washington	MD	PAETEC ITEL, LLC
301-577	Washington	MD	VERIZON MARYLAND, INC.
301-578	Washington	MD	VERIZON MARYLAND, INC.
301-579	Brandywine	MD	VERIZON MARYLAND, INC.
301-580	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-581	Washington	MD	VERIZON MARYLAND, INC.
301-582	Hagerstown	MD	VERIZON MARYLAND, INC.
301-583	Washington	MD	VERIZON MARYLAND, INC.
301-584	Washington	MD	BALTIMORE-WASHINGTON TELEPHONE (BWT)
301-585	Washington	MD	VERIZON MARYLAND, INC.
301-586	Washington	MD	VERIZON MARYLAND, INC.
301-587	Washington	MD	VERIZON MARYLAND, INC.
301-588	Washington	MD	VERIZON MARYLAND, INC.
301-589	Washington	MD	VERIZON MARYLAND, INC.
301-590	Washington	MD	VERIZON MARYLAND, INC.
301-591	Gaithersburg	MD	PAETEC ITEL, LLC
301-592	Washington	MD	VERIZON MARYLAND, INC.
301-593	Washington	MD	VERIZON MARYLAND, INC.
301-594	Washington	MD	VERIZON MARYLAND, INC.
301-595	Washington	MD	VERIZON MARYLAND, INC.
301-596	Laurel (Baltimore LATA)	MD	VERIZON MARYLAND, INC.
301-597	Waldorf	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-598	Washington	MD	VERIZON MARYLAND, INC.
301-599	Washington	MD	VERIZON MARYLAND, INC.
301-600	Frederick	MD	VERIZON MARYLAND, INC.
301-601	Washington	MD	VERIZON MARYLAND, INC.
301-602	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-603	Washington	MD	VERIZON MARYLAND, INC.
301-604	Laurel	MD	VERIZON MARYLAND, INC.
301-605	Washington	MD	VERIZON MARYLAND, INC.
301-606	Frederick	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-607	Damascus (Hagerstown LATA)	MD	VERIZON MARYLAND, INC.
301-608	Washington	MD	VERIZON MARYLAND, INC.
301-609	Waldorf	MD	VERIZON MARYLAND, INC.
301-610	Washington	MD	VERIZON MARYLAND, INC.
301-612	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - MD
301-613	Washington	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
301-614	Washington	MD	VERIZON MARYLAND, INC.
301-615	Washington	MD	BANDWIDTH.COM CLEC, LLC - MD
301-616	Oakland	MD	USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD
301-617	Laurel	MD	VERIZON MARYLAND, INC.
301-618	Washington	MD	VERIZON MARYLAND, INC.
301-619	Frederick	MD	VERIZON MARYLAND, INC.
301-620	Frederick	MD	VERIZON MARYLAND, INC.
301-621	Washington	MD	VERIZON MARYLAND, INC.
301-622	Washington	MD	VERIZON MARYLAND, INC.
301-623	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-624	Frederick	MD	VERIZON MARYLAND, INC.
301-625	Washington	MD	VERIZON MARYLAND, INC.
301-626	Washington	MD	VERIZON MARYLAND, INC.
301-627	Washington	MD	VERIZON MARYLAND, INC.
301-628	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-629	Washington	MD	VERIZON MARYLAND, INC.
301-630	Washington	MD	VERIZON MARYLAND, INC.
301-631	Frederick	MD	VERIZON MARYLAND, INC.
301-632	Waldorf	MD	VERIZON MARYLAND, INC.
301-633	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-634	Washington	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-635	Washington	MD	BANDWIDTH.COM CLEC, LLC - MD
301-636	Washington	MD	VERIZON MARYLAND, INC.
301-637	Washington	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
301-638	Waldorf	MD	VERIZON MARYLAND, INC.
301-639	Frederick	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-640	Washington	MD	VERIZON MARYLAND, INC.
301-641	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-642	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-643	Waldorf	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-644	Frederick	MD	VERIZON MARYLAND, INC.
301-645	Waldorf	MD	VERIZON MARYLAND, INC.
301-646	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-647	Washington	MD	AMERICAN MESSAGING SERVICES, LLC
301-648	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-649	Washington	MD	VERIZON MARYLAND, INC.
301-650	Washington	MD	VERIZON MARYLAND, INC.
301-651	Washington	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-652	Washington	MD	VERIZON MARYLAND, INC.
301-653	Waldorf	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
301-654	Washington	MD	VERIZON MARYLAND, INC.
301-655	Washington	MD	NEW CINGULAR WIRELESS PCS, LLC - DC

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