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: RDBLCA01DS0

Remotes:

Switch Switch name Switch type
CRNGCA12RS0  CORNING  5BR 
EKCKCA11RS1  ELK CREEK  5BR 
GRBRCA11RS1  GERBER  5BR 
LSMLCA11RS0  LOS MOLINOS  5BR 
PSKNCA11RS0  PASKENTA  5BR 
STFRCA11RS1  STONYFORD  5BR 
VINACA12RS1  VINA  5BR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-527 A Red Bluff CA 9740 PACIFIC BELL 724      
530-528 A Red Bluff CA 9740 PACIFIC BELL 724      
530-528 0 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 1 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 2 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 3 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 4 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 6 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 7 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 8 Red Bluff CA 9740 PACIFIC BELL 724      
530-528 9 Red Bluff CA 9740 PACIFIC BELL 724      
530-529 A Red Bluff CA 9740 PACIFIC BELL 724      

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

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