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: ATSCCA11DS0

Remotes:

Switch Switch name Switch type
ATSCCAABRS0  ATASCADERO  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-460 A Atascadero CA 9740 PACIFIC BELL 740      
805-460 0 Atascadero CA 9740 PACIFIC BELL 740      
805-460 1 Atascadero CA 9740 PACIFIC BELL 740      
805-460 2 Atascadero CA 9740 PACIFIC BELL 740      
805-460 9 Atascadero CA 9740 PACIFIC BELL 740      
805-461 A Atascadero CA 9740 PACIFIC BELL 740      
805-461 0 Atascadero CA 9740 PACIFIC BELL 740      
805-461 1 Atascadero CA 9740 PACIFIC BELL 740      
805-461 3 Atascadero CA 9740 PACIFIC BELL 740      
805-461 4 Atascadero CA 9740 PACIFIC BELL 740      
805-461 5 Atascadero CA 9740 PACIFIC BELL 740      
805-461 6 Atascadero CA 9740 PACIFIC BELL 740      
805-461 7 Atascadero CA 9740 PACIFIC BELL 740      
805-461 9 Atascadero CA 9740 PACIFIC BELL 740      
805-462 A Atascadero CA 9740 PACIFIC BELL 740      
805-462 0 Atascadero CA 9740 PACIFIC BELL 740      
805-462 1 Atascadero CA 9740 PACIFIC BELL 740      
805-462 2 Atascadero CA 9740 PACIFIC BELL 740      
805-462 3 Atascadero CA 9740 PACIFIC BELL 740      
805-462 4 Atascadero CA 9740 PACIFIC BELL 740      
805-462 5 Atascadero CA 9740 PACIFIC BELL 740      
805-462 6 Atascadero CA 9740 PACIFIC BELL 740      
805-462 8 Atascadero CA 9740 PACIFIC BELL 740      
805-462 9 Atascadero CA 9740 PACIFIC BELL 740      
805-464 A Atascadero CA 9740 PACIFIC BELL 740      
805-464 0 Atascadero CA 9740 PACIFIC BELL 740      
805-466 A Atascadero CA 9740 PACIFIC BELL 740      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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