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: GNZLLAXADS1

Remotes:

Switch Switch name Switch type
DTTWLAXARS1  DUTCHTOWN  RSC 
FSTLLAXARS1  FRENCH SETTLEMENT  D6E 
GLVZLAXARS1  GALVEZ  RSC 
MRPSLAXARS1  MAUREPAS  RSC 
SRNTLAXARS1  SORRENTO  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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