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: CLBGWVMAHMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
304-534 8 Fairmont WV 793K TWC IP ENABLED SERVICES, LLC 256   2007-02-27   
304-566 7 Clarksburg WV 793K TWC IP ENABLED SERVICES, LLC 256   2007-02-27   
304-918 9 Clarksburg WV 793K TWC IP ENABLED SERVICES, LLC 256   2013-11-14   
304-933 3 Bridgeport WV 793K TWC IP ENABLED SERVICES, LLC 256   2007-02-27   
304-969 9 Clarksburg WV 793K TWC IP ENABLED SERVICES, LLC 256   2011-03-29   
681-404 6 Fairmont WV 793K TWC IP ENABLED SERVICES, LLC 256   2011-10-13   
681-456 0 Bridgeport WV 793K TWC IP ENABLED SERVICES, LLC 256   2013-11-14   
681-525 0 Farmington WV 793K TWC IP ENABLED SERVICES, LLC 256   2016-11-14   
681-758 A Fairmont WV 793K TWC IP ENABLED SERVICES, LLC 256      
681-758 4 Fairmont WV 793K TWC IP ENABLED SERVICES, LLC 256   2013-11-13   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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