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.

Reader, WV

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
304-386 A REDRWVXARS0  0270 CITIZENS TEL CO OF WV DBA FRONTIER OF WV 256      
681-414 A CLBGWVMAXVX  449F ONVOY, LLC - WV 256      
681-414 3 CLBGWVMA9MD  624H ONVOY SPECTRUM, LLC 256   2021-06-05   
681-414 4 CLBGWVMAXVX  449F ONVOY, LLC - WV 256   2020-12-06   
681-414 5 CLBGWVMAXVX  449F ONVOY, LLC - WV 256   2020-12-06   
681-414 6 CLBGWVMAXVX  449F ONVOY, LLC - WV 256   2019-02-22   

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

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