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: TRNCCA11DS0

Remotes:

Switch Switch name Switch type
AVLNCA11RS0  AVALON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-212 A Torrance CA 9740 PACIFIC BELL 730      
310-222 A Torrance CA 9740 PACIFIC BELL 730      
310-224 A Torrance CA 9740 PACIFIC BELL 730      
310-320 A Torrance CA 9740 PACIFIC BELL 730      
310-328 A Torrance CA 9740 PACIFIC BELL 730      
310-381 A Torrance CA 9740 PACIFIC BELL 730      
310-468 A Torrance CA 9740 PACIFIC BELL 730      
310-533 A Torrance CA 9740 PACIFIC BELL 730      
310-618 A Torrance CA 9740 PACIFIC BELL 730      
310-781 A Torrance CA 9740 PACIFIC BELL 730      
310-782 A Torrance CA 9740 PACIFIC BELL 730      
310-783 A Torrance CA 9740 PACIFIC BELL 730      
310-787 A Torrance CA 9740 PACIFIC BELL 730      
310-972 A Torrance CA 9740 PACIFIC BELL 730      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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