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.

Switch: CLBGWVMA1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
681-270 0 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2020-03-06   
681-270 1 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2020-03-06   
681-270 9 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2021-06-05   
681-406 A Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256      
681-406 3 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2026-07-24   
681-406 4 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2026-04-05   
681-406 6 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2025-06-02   
681-406 7 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2022-03-05   
681-406 8 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2022-03-05   
681-406 9 Terra Alta WV 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 256   2022-03-05   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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