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: WHTHYTXBGTN

Remotes:

Switch Switch name Switch type
ARVTVU01RS0  ARVIAT  RS 
CVLKNT01RS0  COLVILLE LAKE  RS 
DSBAYTXNRS0  DESTRUCTION BAY  RS 
FAROYTXNRS0  FARO  RS 
FTWRBC01RS0  FORT WARE INDIAN RESERVE 1  RS 
GSFDVU01RS0  GRISE FIORD  RS 
HNJTYTXNRS1  HAINES JUNCTION  RSC 
JDCKYT01RS1  JUDAS CREEK  RLC 
KGKKVU01RS0  KUGLUKTUK  RS 
KNGTVU17RS0  KINNGAIT  RS 
LTSKNT01RS0  LUTSELK'E  RS 
NAJAVU52RS0  NAUJAAT  RS 
PDINVU01RS0  POND INLET  RS 
PGTGVU24RS0  PANGNIRTUNG  RS 
QKJQVU30RS0  QIKIQTARJUAQ  RS 
THTCNT01RS0  TSIIGEHTCHIC  RS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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