Area Code 443 - Maryland

Every 443 prefix with its city and carrier. Got a specific number? Search it here.

Area code 443 serves Maryland (Eastern time zone) with 786 assigned prefixes. Major rate centers include Baltimore, Annapolis, Towson, Columbia, Glen Burnie, Catonsville, Pikesville, Salisbury. Received a call from a 443 number? Type the full number into the search box above to see its city, carrier, and community reports.

Prefixes in area code 443

Prefix	City	State	Carrier
443-503	Dundalk	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-504	Fallston	MD	PAETEC ITEL, LLC
443-505	Essex	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-506	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-507	Hampstead	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - MD
443-508	Hampstead	MD	PAETEC ITEL, LLC
443-509	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-510	Annapolis	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-512	Edgewood	MD	VERIZON MARYLAND, INC.
443-513	Berlin	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-514	Catonsville	MD	PAETEC ITEL, LLC
443-515	Cambridge	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-516	Sykesville	MD	ONVOY, LLC - MD
443-517	Glen Burnie	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-518	Columbia	MD	VERIZON MARYLAND, INC.
443-519	Towson	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-520	Catonsville	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-521	Cambridge	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-522	Reisterstown	MD	PAETEC ITEL, LLC
443-523	Salisbury	MD	VERIZON MARYLAND, INC.
443-524	Baltimore	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-525	Baltimore	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-526	Havre de Grace	MD	PAETEC ITEL, LLC
443-527	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-528	Bel Air	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-529	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-530	Dundalk	MD	PAETEC ITEL, LLC
443-531	Baltimore	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-532	Prince Frederick	MD	METROPCS, INC.
443-533	Jarrettsville	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - MD
443-534	Annapolis	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-535	Columbia	MD	VERIZON MARYLAND, INC.
443-536	Westminster	MD	METROPCS, INC.
443-537	Columbia	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-538	Columbia	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-539	Columbia	MD	PAETEC ITEL, LLC
443-540	Baltimore	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-541	Cockeysville	MD	PAETEC ITEL, LLC
443-542	Columbia	MD	COMCAST IP PHONE, LLC
443-543	Arbutus	MD	VERIZON MARYLAND, INC.
443-544	Pikesville	MD	PAETEC ITEL, LLC
443-545	Columbia	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-546	Columbia	MD	VERIZON MARYLAND, INC.
443-547	Westminster	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-548	Pikesville	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-549	Dundalk	MD	PAETEC ITEL, LLC
443-550	North Beach	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-551	Woodlawn	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-552	Baltimore	MD	VERIZON MARYLAND, INC.
443-553	Elkton	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-554	Chase	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-556	Cockeysville	MD	VERIZON MARYLAND, INC.
443-557	Glen Burnie	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-558	Aberdeen	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-559	Essex	MD	COMCAST IP PHONE, LLC
443-560	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-561	Elkridge	MD	PAETEC ITEL, LLC
443-562	Baltimore	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-563	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-564	Towson	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-565	Randallstown	MD	PAETEC ITEL, LLC
443-566	Chesapeake City	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-567	Bel Air	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-568	Arbutus	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-569	Annapolis	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-570	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-571	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-572	Glen Burnie	MD	VERIZON MARYLAND, INC.
443-573	Baltimore	MD	PAETEC ITEL, LLC
443-574	Ellicott City	MD	PAETEC ITEL, LLC
443-575	Arbutus	MD	PAETEC ITEL, LLC
443-576	Randallstown	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-577	Glen Burnie	MD	PAETEC ITEL, LLC
443-578	Cockeysville	MD	XO MARYLAND, LLC
443-579	Essex	MD	PAETEC ITEL, LLC
443-580	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-581	Chase	MD	ONVOY, LLC - MD
443-582	Churchville	MD	PAETEC ITEL, LLC
443-583	Columbia	MD	PAETEC ITEL, LLC
443-584	Crofton	MD	PAETEC ITEL, LLC
443-585	Darlington	MD	PAETEC ITEL, LLC
443-586	Dundalk	MD	CORE COMMUNICATIONS, INC.- MD
443-587	Edgewood	MD	PAETEC ITEL, LLC
443-588	Parkville	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-589	Cockeysville	MD	PAETEC ITEL, LLC
443-590	Reisterstown	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-591	Glen Burnie	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-592	Elkridge	MD	CORE COMMUNICATIONS, INC.- MD
443-593	Elkton	MD	PAETEC ITEL, LLC
443-594	Sparrows Point	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-595	Sparks-Glencoe	MD	BANDWIDTH.COM CLEC, LLC - MD
443-596	Essex	MD	CORE COMMUNICATIONS, INC.- MD
443-597	Severna Park	MD	METROPCS, INC.
443-598	Sherwood Forest	MD	BANDWIDTH.COM CLEC, LLC - MD
443-599	Severn	MD	METROPCS, INC.
443-600	Essex	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-601	Fallston	MD	PAETEC ITEL, LLC
443-602	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-603	Annapolis	MD	PAETEC ITEL, LLC
443-604	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-605	Westminster	MD	PAETEC ITEL, LLC
443-606	Fork	MD	PAETEC ITEL, LLC
443-607	West River	MD	PAETEC ITEL, LLC
443-608	Towson	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-609	Sykesville	MD	PAETEC ITEL, LLC
443-610	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-612	Catonsville	MD	VERIZON MARYLAND, INC.
443-613	Towson	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-614	Salisbury	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-615	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-616	Bel Air	MD	PAETEC ITEL, LLC
443-617	Fallston	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-618	Glen Burnie	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-619	Bel Air	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-620	Waterloo	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - MD
443-621	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-622	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-623	Glen Burnie	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-624	Prince Frederick	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-625	Fork	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-626	Chase	MD	PAETEC ITEL, LLC
443-627	Baltimore	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-628	Glen Burnie	MD	CORE COMMUNICATIONS, INC.- MD
443-629	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-630	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-631	Catonsville	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-632	Towson	MD	PAETEC ITEL, LLC
443-633	Baltimore	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-634	Waterloo (Washington DC LATA)	MD	VERIZON MARYLAND, INC.
443-635	Baltimore	MD	NEW CINGULAR WIRELESS PCS, LLC - DC
443-636	Catonsville	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-637	Armiger-Gibson Island	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-638	Ellicott City	MD	GLOBAL NAPS SOUTH, INC. - MD
443-639	Hampstead	MD	PAETEC ITEL, LLC
443-640	Bel Air	MD	PAETEC ITEL, LLC
443-641	Pikesville	MD	LEVEL 3 COMMUNICATIONS, LLC - MD
443-642	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-643	Bel Air	MD	VERIZON MARYLAND, INC.
443-644	Jarrettsville	MD	PAETEC ITEL, LLC
443-645	Millersville	MD	PAETEC ITEL, LLC
443-646	North Beach	MD	PAETEC ITEL, LLC
443-647	New Windsor	MD	PAETEC ITEL, LLC
443-648	Essex	MD	TELEPORT COMMUNICATIONS AMERICA, LLC - MD
443-649	Sparrows Point	MD	PAETEC ITEL, LLC
443-650	Reisterstown	MD	MCIMETRO ACCESS TRANSMISSION SERVICES LLC
443-651	Baltimore	MD	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-652	Towson	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-653	Parkville	MD	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-654	Waterloo (Washington DC LATA)	MD	VERIZON MARYLAND, INC.
443-655	Bel Air	MD	NEW CINGULAR WIRELESS PCS, LLC - DC

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