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: SNADCA11DS1

Remotes:

Switch Switch name Switch type
ANCMCA01RS0  ANGELS CAMP  5BR 
ARNLCA11RS0  ARNOLD  5BR 
BVLYCA11RS0  BEAR VALLEY  5BR 
MKHLCA12RS0  MOKELUMNE HILL  5BR 
MRPHCA11RS0  MURPHYS  5BR 
VYSPCA11RS0  VALLEY SPRINGS  5BR 
WLLCCA11RS0  WALLACE  5BR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-754 A San Andreas CA 9740 PACIFIC BELL 738      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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