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: KLWNBC02DS2

Remotes:

Switch Switch name Switch type
LKVHBC01RS1  LAKEVIEW HEIGHTS  GTS 
OKMSBC01RS1  OKANAGAN MISSION  GTS 
OYAMBC01CT1  OYAMA  GTL 
RTLDBC01RS1  RUTLAND  GT5 
WTBKBC01RS1  WESTBANK  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

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

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