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.
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Hundred, WV

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
304-775 A HDRDWVXADS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 256      
681-277 A CLBGWVMAXVX  449F ONVOY, LLC - WV 256      
681-277 0   449F ONVOY, LLC - WV 256   2021-03-07   
681-277 1   449F ONVOY, LLC - WV 256   2021-03-07   
681-277 2   624H ONVOY SPECTRUM, LLC 256   2021-06-04   
681-277 3   624H ONVOY SPECTRUM, LLC 256   2022-03-05   
681-277 4   624H ONVOY SPECTRUM, LLC 256   2022-03-05   
681-277 6   449F ONVOY, LLC - WV 256   2019-02-22   
681-277 7   965H FRACTEL, LLC 256   2021-12-12   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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