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: CLNGCA01DS0

Remotes:

Switch Switch name Switch type
AVNLCA12RS0  AVENAL  RSC 
BURLCA11RS0  BURREL  RLC 
FVPNCA11RS0  FIVE POINTS  RSC 
HURNCA11RS0  HURON  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-934 A Coalinga CA 9740 PACIFIC BELL 728      
559-934 0 Coalinga CA 9740 PACIFIC BELL 728      
559-934 1 Coalinga CA 9740 PACIFIC BELL 728      
559-934 2 Coalinga CA 9740 PACIFIC BELL 728      
559-934 3 Coalinga CA 9740 PACIFIC BELL 728      
559-934 8 Coalinga CA 9740 PACIFIC BELL 728   2005-10-10   
559-935 A Coalinga CA 9740 PACIFIC BELL 728      

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

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