Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-400 A Charleston Zone 1 WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254      
304-400 0 Charleston Zone 1 WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2008-10-15   
304-400 1 Charleston Zone 1 WV CHTNWVLELMD  6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 254   2010-08-28   
304-400 2 Charleston Zone 1 WV CHTNWVLELMD  6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 254   2010-08-28   
304-400 3 Charleston Zone 1 WV CHTNWVLELMD  6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 254   2010-10-03   
304-400 4 Charleston Zone 1 WV CHTNWVLE7MD  391E CEBRIDGE TELECOM WV, LLC DBA SUDDENLINK COMMS - WV 254   2010-09-18   
304-400 5 Charleston Zone 1 WV CHTNWVLELMD  6394 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 254   2010-10-03   
304-400 6 Charleston Zone 1 WV HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254   2012-01-24   
304-400 7 Charleston Zone 1 WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2012-01-24   
304-400 8 Charleston Zone 1 WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2010-12-16   
304-400 9 Charleston Zone 1 WV CUDNWVAAG01  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2010-05-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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