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: LAMSCA01DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
619-337 A La Mesa CA 9740 PACIFIC BELL 732      
619-337 0 La Mesa CA 9740 PACIFIC BELL 732      
619-337 1 La Mesa CA 9740 PACIFIC BELL 732      
619-337 2 La Mesa CA 9740 PACIFIC BELL 732      
619-337 3 La Mesa CA 9740 PACIFIC BELL 732      
619-337 6 La Mesa CA 9740 PACIFIC BELL 732      
619-337 7 La Mesa CA 9740 PACIFIC BELL 732      
619-337 8 La Mesa CA 9740 PACIFIC BELL 732      
619-337 9 La Mesa CA 9740 PACIFIC BELL 732      
619-460 A La Mesa CA 9740 PACIFIC BELL 732      
619-461 A La Mesa CA 9740 PACIFIC BELL 732      
619-462 A La Mesa CA 9740 PACIFIC BELL 732      
619-463 A La Mesa CA 9740 PACIFIC BELL 732      
619-464 A La Mesa CA 9740 PACIFIC BELL 732      
619-464 0 La Mesa CA 9740 PACIFIC BELL 732      
619-464 1 La Mesa CA 9740 PACIFIC BELL 732      
619-464 2 La Mesa CA 9740 PACIFIC BELL 732      
619-464 3 La Mesa CA 9740 PACIFIC BELL 732      
619-464 4 La Mesa CA 9740 PACIFIC BELL 732      
619-464 5 La Mesa CA 9740 PACIFIC BELL 732      
619-464 6 La Mesa CA 9740 PACIFIC BELL 732      
619-464 7 La Mesa CA 9740 PACIFIC BELL 732      
619-464 8 La Mesa CA 9740 PACIFIC BELL 732      
619-465 A La Mesa CA 9740 PACIFIC BELL 732      
619-466 A La Mesa CA 9740 PACIFIC BELL 732      
619-469 A La Mesa CA 9740 PACIFIC BELL 732      
619-589 A La Mesa CA 9740 PACIFIC BELL 732      
619-644 A La Mesa CA 9740 PACIFIC BELL 732      
619-667 A La Mesa CA 9740 PACIFIC BELL 732      
619-668 A La Mesa CA 9740 PACIFIC BELL 732      
619-697 A La Mesa CA 9740 PACIFIC BELL 732      
619-698 A La Mesa CA 9740 PACIFIC BELL 732      
619-740 A La Mesa CA 9740 PACIFIC BELL 732      
619-740 0 La Mesa CA 9740 PACIFIC BELL 732      
619-740 2 La Mesa CA 9740 PACIFIC BELL 732      
619-740 3 La Mesa CA 9740 PACIFIC BELL 732      
619-740 4 La Mesa CA 9740 PACIFIC BELL 732      
619-740 5 La Mesa CA 9740 PACIFIC BELL 732      
619-740 6 La Mesa CA 9740 PACIFIC BELL 732      
619-740 7 La Mesa CA 9740 PACIFIC BELL 732      
619-740 8 La Mesa CA 9740 PACIFIC BELL 732      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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