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.
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Switch: SNDGCA0266Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
442-355 2 Escondido CA 516J TON80 COMMUNICATIONS, LLC 732   2021-06-25   
442-367 3 Calexico CA 516J TON80 COMMUNICATIONS, LLC 732   2022-02-26   
442-466 3 Oceanside: Pendleton DA CA 516J TON80 COMMUNICATIONS, LLC 732   2021-06-26   
442-532 A El Centro CA 516J TON80 COMMUNICATIONS, LLC 732      
442-532 4 El Centro CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-10   
442-566 3 Valley Center CA 516J TON80 COMMUNICATIONS, LLC 732   2022-02-22   
442-568 A Encinitas CA 516J TON80 COMMUNICATIONS, LLC 732      
442-568 3 Encinitas CA 516J TON80 COMMUNICATIONS, LLC 732   2022-04-22   
442-646 A Brawley CA 516J TON80 COMMUNICATIONS, LLC 732      
442-646 4 Brawley CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-12   
619-722 2 Harbison-Alpine CA 516J TON80 COMMUNICATIONS, LLC 732   2022-05-23   
858-462 A National City CA 516J TON80 COMMUNICATIONS, LLC 732      
858-462 8 National City CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-13   
858-463 A Chula Vista CA 516J TON80 COMMUNICATIONS, LLC 732      
858-463 7 Chula Vista CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-13   
858-665 A La Jolla CA 516J TON80 COMMUNICATIONS, LLC 732      
858-665 7 La Jolla CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-22   
858-687 A Poway CA 516J TON80 COMMUNICATIONS, LLC 732      
858-687 6 Poway CA 939H COMMIO, LLC 732   2024-01-29   
858-687 7 Poway CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-22   
858-687 8 Poway CA 939H COMMIO, LLC 732   2024-01-29   
858-687 9 Poway CA 939H COMMIO, LLC 732   2024-01-29   
858-723 3 La Mesa CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-13   
858-727 A San Diego: San Diego DA CA 516J TON80 COMMUNICATIONS, LLC 732      
858-727 6 San Diego: San Diego DA CA 516J TON80 COMMUNICATIONS, LLC 732   2021-01-07   
858-742 A San Diego: Linda Vista DA CA 516J TON80 COMMUNICATIONS, LLC 732      
858-742 6 San Diego: Linda Vista DA CA 516J TON80 COMMUNICATIONS, LLC 732   2022-03-13   
858-787 A Pine Valley CA 516J TON80 COMMUNICATIONS, LLC 732      
858-787 8 Pine Valley CA 516J TON80 COMMUNICATIONS, LLC 732   2022-04-18   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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