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: FRINTXAEDS1

Remotes:

Switch Switch name Switch type
DAWNTXXARS0  DAWN  DCL 
FRIOTXXARS0  FRIO  DCR 
HUB TXXARS0  HUB  DCR 
MILOTXXARS0  MILO CENTER  DCL 
OKLNTXXARS0  OKLAHOMA LANE  DCR 
PRMRTXXARS0  PARMER  DCR 
SRFDTXXARS0  SUMMERFIELD  DCR 
THRPTXXARS0  THARP  DCR 
WSWYTXXARS0  WESTWAY  DCL 
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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