Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-616 2 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-616 3 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-616 4 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-616 5 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-616 6 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-616 7 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-616 8 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-616 9 Oakland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 A Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 0 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 1 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 2 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 3 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 4 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 5 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 6 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 7 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 8 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 9 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-723 0 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2005-07-22   
301-784 6 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-876 0 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2003-03-05   
301-876 1 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2003-03-05   
301-876 2 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2003-03-05   
301-876 3 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2003-03-05   
301-876 5 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2004-08-23   
301-876 7 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2004-09-06   
301-876 8 Cumberland MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2004-08-23   
301-988 A Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 0 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 1 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 2 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 3 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 4 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 5 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 6 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 7 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 8 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-988 9 Hagerstown MD 4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
304-582 A Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 0 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 1 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 2 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 3 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 4 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 5 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 6 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 7 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 8 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      
304-582 9 Martinsburg WV 6284 UNITED STATES CELLULAR - WV 240      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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