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: SNGRCAXF87A

Remotes:

Switch Switch name Switch type
TVVYCAXFRS1  TIVY VALLEY  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-524 3 Sanger CA 4420 FRONTIER CALIFORNIA INC. 728   2010-07-02   
559-524 6 Sanger CA 4420 FRONTIER CALIFORNIA INC. 728   2009-12-15   
559-524 7 Sanger CA 4420 FRONTIER CALIFORNIA INC. 728   2009-12-15   
559-876 A Sanger CA 4420 FRONTIER CALIFORNIA INC. 728      
559-876 1 Sanger CA 4420 FRONTIER CALIFORNIA INC. 728      
559-876 2 Sanger CA 4420 FRONTIER CALIFORNIA INC. 728      
559-876 3 Sanger CA 4420 FRONTIER CALIFORNIA INC. 728      
559-876 6 Sanger CA 4420 FRONTIER CALIFORNIA INC. 728      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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