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: ESCNCA01DS0

Remotes:

Switch Switch name Switch type
VLCTCA11RS1  VALLEY CENTER  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-281 A Escondido CA 9740 PACIFIC BELL 732      
760-233 A Escondido CA 9740 PACIFIC BELL 732      
760-291 A Escondido CA 9740 PACIFIC BELL 732      
760-432 A Escondido CA 9740 PACIFIC BELL 732      
760-480 A Escondido CA 9740 PACIFIC BELL 732      
760-489 A Escondido CA 9740 PACIFIC BELL 732      
760-504 A Escondido CA 9740 PACIFIC BELL 732      
760-735 A Escondido CA 9740 PACIFIC BELL 732      
760-737 A Escondido CA 9740 PACIFIC BELL 732      
760-738 A Escondido CA 9740 PACIFIC BELL 732      
760-739 A Escondido CA 9740 PACIFIC BELL 732      
760-740 A Escondido CA 9740 PACIFIC BELL 732      
760-741 A Escondido CA 9740 PACIFIC BELL 732      
760-743 A Escondido CA 9740 PACIFIC BELL 732      
760-745 A Escondido CA 9740 PACIFIC BELL 732      
760-746 A Escondido CA 9740 PACIFIC BELL 732      
760-747 A Escondido CA 9740 PACIFIC BELL 732      
760-781 A Escondido CA 9740 PACIFIC BELL 732      
760-796 A Escondido CA 9740 PACIFIC BELL 732      
760-839 A Escondido CA 9740 PACIFIC BELL 732      
760-975 A Escondido CA 9740 PACIFIC BELL 732      

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

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