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: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-433 A Martinsburg WV MRBGWVBUDS0  9214 FRONTIER WEST VIRGINIA INC. 240      
304-433 0 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-06-01   
304-433 1 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-06-01   
304-433 2 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-08-23   
304-433 3 Martinsburg WV MRBGWVBUDS0  9214 FRONTIER WEST VIRGINIA INC. 240   2005-09-11   
304-433 4 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-03-03   
304-433 5 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-03-03   
304-433 6 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-01-17   
304-433 7 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-01-17   
304-433 8 Martinsburg WV FRDRMDFRXMD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 240   2008-01-31   
304-433 9 Martinsburg WV FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2010-02-04   

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

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