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: WLBGIAXOPS0

Remotes:

Switch Switch name Switch type
CNRYIAXORP0  CONROY  RP 
CNRYIAXORP1  CONROY  RP 
OXFRIAXPRP0  OXFORD  C15 
OXFRIAXPRP1  OXFORD  RP 
SOLNIAXORP0  SOLON  RP 
SOLNIAXORP1  SOLON  RP 
TFFNIAXORP0  TIFFIN  RP 
TFFNIAXORP1  TIFFIN  RP 
WLBGIAXORP0  WILLIAMSBURG  RP 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-722 A Williamsburg IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-722 9 Williamsburg IA 1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635   2015-08-25   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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