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: SDBRON44DS0

Remotes:

Switch Switch name Switch type
ALBAON75RS0  ALBAN  RSC 
BZVYON69RS1  BLEZARD VALLEY  RSC 
CNSTON01RS0  CONISTON  RSC 
CPRLON71RS0  CAPREOL  RSC 
ESPNON66RS0  ESPANOLA  RSC 
GRSNON63RS0  GARSON  RSC 
MKSYON54RS0  MARKSTAY  RSC 
STCHON36RS0  ST CHARLES  RSC 
WRRNON42RS0  WARREN  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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