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: BKFDCA12DS0

Remotes:

Switch Switch name Switch type
ARVNCA11RS0  ARVIN  5ER 
LAMTCA11RS0  LAMONT  5ER 

<< 1 2 3 4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-868 4 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-868 5 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-868 6 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-868 7 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-868 8 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-869 A Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-869 1 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-869 2 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-869 3 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-869 6 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-869 8 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      
661-869 9 Bakersfield: Main DA CA 9740 PACIFIC BELL 734      

<< 1 2 3 4

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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