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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Switch: WASHIAXOPS1

Remotes:

Switch Switch name Switch type
NCHLIAXORP0    RP 
WCHSIAXORP0    RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-863 A Washington IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-863 9 Washington IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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