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: SNDGCA02XOZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-984 7 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-984 8 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-984 9 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 A La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-985 0 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 1 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 2 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 3 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 4 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 5 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 6 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 7 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 8 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-985 9 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 A La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-986 0 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 1 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 2 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 3 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 4 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 5 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 6 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 7 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 8 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-986 9 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 A La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732      
858-989 0 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 1 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 2 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 3 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 4 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 5 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 6 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 7 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 8 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   
858-989 9 La Jolla CA 7147 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 732   2023-12-06   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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