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: WBCYIATCDS0

Remotes:

Switch Switch name Switch type
BRBGIACORS3  BLAIRSBURG  AXR 
CLRIIACORS5  CLARION  AXR 
EGGVIACORS4  EAGLE GROVE  AXR 
IWFLIACORS6  IOWA FALLS  AXR 
JEWLIACORS8  JEWELL  AXR 
RNWCIACORS8  RENWICK  AXR 
WLMSIACORS8  WILLIAMS  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-832 A Webster City IA 9631 QWEST CORPORATION 632      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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