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.
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Switch: RNSDCA11DS0

Remotes:

Switch Switch name Switch type
JAMLCA60RS0  SAN DIEGO  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
619-660 A La Mesa CA 9740 PACIFIC BELL 732      
619-670 A La Mesa CA 9740 PACIFIC BELL 732      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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