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: ABRCNDXADS0

Remotes:

Switch Switch name Switch type
BRVIMNXRRS4  BARNESVILLE  RSC 
CLFXNDXARS3  COLFAX  RSC 
FAMTNDBCRS5  FAIRMOUNT  RSS 
GRTBNDXARS5  GREAT BEND  RSC 
HKSNNDXARS2  HANKINSON  RSC 
LGWDNDXARS5  LIDGERWOOD  RSC 
MRTNNDXARS2  MOORETON  RSC 
RLLGMNXRRS9  ROLLAG  RSC 
WYNDNDBARS5  WYNDMERE  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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