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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OCN: 423C ARMSTRONG TELECOMMUNICATIONS, INC. - WV

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
304-299 7 St Marys WV   254   2012-11-26   
304-307 5 Madison WV   254   2012-08-03   
304-310 1 Chapmanville WV   254   2010-03-07   
304-390 2 Milton WV   254   2010-03-07   
304-659 1 Pennsboro WV   254   2010-03-07   
304-666 A West Union WV WLNGWVCPX7X  256      
304-666 1 West Union WV   256   2010-05-30   
304-778 4 Branchland WV   254   2010-03-19   
304-849 1 East Lynn WV   254   2010-03-22   
304-908 1 Huntington Zone 4 WV   254   2007-11-03   
304-948 1 Huntington Zone 2 WV   254   2009-07-31   
304-953 1 Logan WV   254   2010-03-07   
304-972 A Huntington Zone 1 WV HNTNWVDTKMD  254      
304-972 0 Huntington Zone 1 WV   254   2007-06-14   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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