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: COTNCA11DS0

Remotes:

Switch Switch name Switch type
BAKRCA11RS0  BAKER  5ER 
FRCKCA11RS0  FURNACE CREEK  5ER 
MTPSCA11RS1  MOUNTAIN PASS  5ER 
SHSHCA11RS0  SHOSHONE  5ER 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-370 A Colton CA 9740 PACIFIC BELL 730      
909-420 A Colton CA 9740 PACIFIC BELL 730      
909-420 0 Colton CA 9740 PACIFIC BELL 730      
909-420 1 Colton CA 9740 PACIFIC BELL 730      
909-420 2 Colton CA 9740 PACIFIC BELL 730      
909-420 3 Colton CA 9740 PACIFIC BELL 730      
909-420 6 Colton CA 9740 PACIFIC BELL 730      
909-420 7 Colton CA 9740 PACIFIC BELL 730      
909-420 8 Colton CA 9740 PACIFIC BELL 730      
909-420 9 Colton CA 9740 PACIFIC BELL 730      
909-422 A Colton CA 9740 PACIFIC BELL 730      
909-423 A Colton CA 9740 PACIFIC BELL 730      
909-423 0 Colton CA 9740 PACIFIC BELL 730      
909-423 1 Colton CA 9740 PACIFIC BELL 730      
909-423 2 Colton CA 9740 PACIFIC BELL 730      
909-423 3 Colton CA 9740 PACIFIC BELL 730      
909-423 4 Colton CA 9740 PACIFIC BELL 730      
909-423 6 Colton CA 9740 PACIFIC BELL 730      
909-423 7 Colton CA 9740 PACIFIC BELL 730      
909-423 8 Colton CA 9740 PACIFIC BELL 730      
909-423 9 Colton CA 9740 PACIFIC BELL 730      
909-424 A Colton CA 9740 PACIFIC BELL 730      
909-424 0 Colton CA 9740 PACIFIC BELL 730      
909-424 1 Colton CA 9740 PACIFIC BELL 730      
909-424 2 Colton CA 9740 PACIFIC BELL 730      
909-424 3 Colton CA 9740 PACIFIC BELL 730      
909-424 4 Colton CA 9740 PACIFIC BELL 730      
909-424 5 Colton CA 9740 PACIFIC BELL 730      
909-424 6 Colton CA 9740 PACIFIC BELL 730      
909-424 7 Colton CA 9740 PACIFIC BELL 730      
909-424 8 Colton CA 9740 PACIFIC BELL 730      
909-426 A Colton CA 9740 PACIFIC BELL 730      
909-430 A Colton CA 9740 PACIFIC BELL 730      
909-430 0 Colton CA 9740 PACIFIC BELL 730      
909-430 2 Colton CA 9740 PACIFIC BELL 730      
909-430 3 Colton CA 9740 PACIFIC BELL 730      
909-430 5 Colton CA 9740 PACIFIC BELL 730      
909-430 6 Colton CA 9740 PACIFIC BELL 730      
909-433 A Colton CA 9740 PACIFIC BELL 730      
909-433 0 Colton CA 9740 PACIFIC BELL 730      
909-433 3 Colton CA 9740 PACIFIC BELL 730      
909-433 4 Colton CA 9740 PACIFIC BELL 730      
909-433 5 Colton CA 9740 PACIFIC BELL 730      
909-433 9 Colton CA 9740 PACIFIC BELL 730      
909-439 A Colton CA 9740 PACIFIC BELL 730      
909-439 0 Colton CA 9740 PACIFIC BELL 730      
909-439 1 Colton CA 9740 PACIFIC BELL 730      
909-439 3 Colton CA 9740 PACIFIC BELL 730      
909-439 5 Colton CA 9740 PACIFIC BELL 730      
909-439 6 Colton CA 9740 PACIFIC BELL 730      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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