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: LWLKCA11DS0

Remotes:

Switch Switch name Switch type
CBMTCA11RS0  COBB MOUNTAIN  RSC 
CLOKCA11RS0  CLEARLAKE OAKS  RSC 
MDTWCA11RS0  MIDDLETOWN  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
707-277 A Kelseyville CA 9740 PACIFIC BELL 722      
707-277 0 Kelseyville CA 9740 PACIFIC BELL 722      
707-277 7 Kelseyville CA 9740 PACIFIC BELL 722      
707-277 9 Kelseyville CA 9740 PACIFIC BELL 722      
707-994 A Lower Lake CA 9740 PACIFIC BELL 722      
707-995 A Lower Lake CA 9740 PACIFIC BELL 722      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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