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: SNDGCA02XHX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-392 A San Diego: Linda Vista DA CA 939H COMMIO, LLC 732   2024-03-04   
858-392 0 San Diego: Linda Vista DA CA 939H COMMIO, LLC 732   2024-03-04   
858-392 1 San Diego: Linda Vista DA CA 939H COMMIO, LLC 732   2024-03-04   
858-393 A Del Mar CA 939H COMMIO, LLC 732   2024-03-04   
858-393 0 Del Mar CA 939H COMMIO, LLC 732   2024-03-04   
858-393 1 Del Mar CA 939H COMMIO, LLC 732   2024-03-04   
858-393 2 Del Mar CA 939H COMMIO, LLC 732   2024-03-04   
858-393 3 Del Mar CA 939H COMMIO, LLC 732   2024-03-04   
858-424 2 El Cajon CA 939H COMMIO, LLC 732   2024-01-29   
858-424 5 El Cajon CA 939H COMMIO, LLC 732   2024-01-29   
858-424 9 El Cajon CA 939H COMMIO, LLC 732   2024-01-29   
858-744 9 San Diego: San Diego DA CA 939H COMMIO, LLC 732   2024-01-29   
858-765 0 La Jolla CA 939H COMMIO, LLC 732   2021-10-15   
858-765 1 La Jolla CA 939H COMMIO, LLC 732   2021-10-15   
858-765 2 La Jolla CA 939H COMMIO, LLC 732   2021-10-15   
858-765 3 La Jolla CA 939H COMMIO, LLC 732   2021-10-15   
858-765 5 La Jolla CA 939H COMMIO, LLC 732   2021-10-15   
858-838 1 Campo CA 939H COMMIO, LLC 732   2022-10-16   
858-855 4 El Cajon CA 939H COMMIO, LLC 732   2021-08-28   
858-855 6 El Cajon CA 939H COMMIO, LLC 732   2021-08-28   
858-855 7 El Cajon CA 939H COMMIO, LLC 732   2021-08-28   
858-855 8 El Cajon CA 939H COMMIO, LLC 732   2021-08-28   
858-855 9 El Cajon CA 939H COMMIO, LLC 732   2021-08-28   
858-944 1 San Diego: Linda Vista DA CA 939H COMMIO, LLC 732   2021-10-21   
858-944 2 San Diego: Linda Vista DA CA 939H COMMIO, LLC 732   2021-10-21   
858-944 3 San Diego: Linda Vista DA CA 939H COMMIO, LLC 732   2021-10-21   
858-944 7 San Diego: Linda Vista DA CA 939H COMMIO, LLC 732   2021-10-21   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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