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: OKHRCAXADS0

Remotes:

Switch Switch name Switch type
BSLKCAXF642  BASS LAKE  RLC 
MRPSCAXFRS0  MARIPOSA  RSC 
RYMNCAXFRS0  RAYMOND  RLC 
YMLPCAXF658  YOSEMITE LAKES PARK  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-641 A Coarsegold CA 2338 SIERRA TEL. CO., INC. 728      
559-642 A Coarsegold CA 2338 SIERRA TEL. CO., INC. 728      
559-658 A Coarsegold CA 2338 SIERRA TEL. CO., INC. 728      
559-683 A Coarsegold CA 2338 SIERRA TEL. CO., INC. 728      
559-689 A Raymond CA 2338 SIERRA TEL. CO., INC. 728      
559-692 A Coarsegold CA 2338 SIERRA TEL. CO., INC. 728      

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

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