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: ARGRCA12DS1

Remotes:

Switch Switch name Switch type
NIPMCA11RS0  NIPOMO  ORM 
PSBHCA11RS0  PISMO BEACH  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
805-202 A Arroyo Grande CA 9740 PACIFIC BELL 740      
805-354 A Santa Maria CA 7480 PACIFIC BELL (COMPETITIVE) 740      
805-356 A Guadalupe CA 7480 PACIFIC BELL (COMPETITIVE) 740      
805-473 A Arroyo Grande CA 9740 PACIFIC BELL 740      
805-474 A Arroyo Grande CA 9740 PACIFIC BELL 740      
805-481 A Arroyo Grande CA 9740 PACIFIC BELL 740      
805-489 A Arroyo Grande CA 9740 PACIFIC BELL 740      
805-679 A Santa Barbara CA 7480 PACIFIC BELL (COMPETITIVE) 740      
805-743 A Lompoc CA 7480 PACIFIC BELL (COMPETITIVE) 740      
805-755 A Carpinteria CA 7480 PACIFIC BELL (COMPETITIVE) 740      

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

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