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: SNRFCA01DS0

Remotes:

Switch Switch name Switch type
INVRCA11RS0  INVERNESS  RSC 
NICSCA11RS0  NICASIO  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-256 A San Rafael CA 9740 PACIFIC BELL 722      
415-257 A San Rafael CA 9740 PACIFIC BELL 722      
415-258 A San Rafael CA 9740 PACIFIC BELL 722      
415-259 A San Rafael CA 9740 PACIFIC BELL 722      
415-451 A San Rafael CA 9740 PACIFIC BELL 722      
415-453 A San Rafael CA 9740 PACIFIC BELL 722      
415-454 A San Rafael CA 9740 PACIFIC BELL 722      
415-455 A San Rafael CA 9740 PACIFIC BELL 722      
415-456 A San Rafael CA 9740 PACIFIC BELL 722      
415-457 A San Rafael CA 9740 PACIFIC BELL 722      
415-458 A San Rafael CA 9740 PACIFIC BELL 722      
415-459 A San Rafael CA 9740 PACIFIC BELL 722      
415-460 A San Rafael CA 9740 PACIFIC BELL 722      
415-482 A San Rafael CA 9740 PACIFIC BELL 722      
415-485 A San Rafael CA 9740 PACIFIC BELL 722      
415-721 A San Rafael CA 9740 PACIFIC BELL 722      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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