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: 839

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-839 A Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
304-839 0 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2016-07-01   
304-839 1 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2003-01-02   
304-839 2 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-01-19   
304-839 3 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-01-25   
304-839 4 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-12-11   
304-839 5 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 6 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 7 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 8 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 9 Martinsburg WV MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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