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 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
415-482 1 San Rafael CA 9740 PACIFIC BELL 722      
415-482 2 San Rafael CA 9740 PACIFIC BELL 722      
415-482 3 San Rafael CA 9740 PACIFIC BELL 722      
415-482 4 San Rafael CA 9740 PACIFIC BELL 722      
415-482 6 San Rafael CA 9740 PACIFIC BELL 722      
415-482 7 San Rafael CA 9740 PACIFIC BELL 722      
415-482 8 San Rafael CA 9740 PACIFIC BELL 722      
415-482 9 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      

<< 1 2

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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