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: SCRMCAMZDS0

Remotes:

Switch Switch name Switch type
SCRMCALRRS0  SACRAMENTO  RSC 
SCRMCATERS0  SACRAMENTO  RSC 
SCRMCATERS1  SACRAMENTO  RSC 
SCRMCATERS2  SACRAMENTO  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
916-651 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-653 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      
916-654 A Sacramento: Main DA CA 9740 PACIFIC BELL 726      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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