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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
304-839 4 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-12-11   
304-839 5 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 6 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 7 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 8 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
304-839 9 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2004-03-01   
681-260 0 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2016-01-30   
681-260 1 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2016-08-26   
681-446 6 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2023-08-24   
681-534 7 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2024-11-17   
681-534 8 Martinsburg WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2024-07-15   
681-620 8 Keyser WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2014-07-12   
681-620 9 Keyser WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2016-06-13   

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

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