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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-947 3 Del Mar CA 649C ONVOY, LLC - CA 732   2004-04-02   
858-947 6 Del Mar CA 649C ONVOY, LLC - CA 732   2007-01-14   
858-951 1 Rancho Santa Fe CA 649C ONVOY, LLC - CA 732   2016-07-04   
858-952 5 La Jolla CA 649C ONVOY, LLC - CA 732   2006-08-19   
858-955 1 Pine Valley CA 649C ONVOY, LLC - CA 732   2021-07-22   
858-955 7 Pine Valley CA 649C ONVOY, LLC - CA 732   2020-11-16   
858-955 8 Pine Valley CA 649C ONVOY, LLC - CA 732   2020-11-16   
858-956 7 Poway CA 649C ONVOY, LLC - CA 732   2019-09-13   
858-956 8 Poway CA 649C ONVOY, LLC - CA 732   2013-09-22   
858-977 6 Del Mar CA 649C ONVOY, LLC - CA 732   2020-11-14   
858-977 8 Del Mar CA 649C ONVOY, LLC - CA 732   2020-11-14   
858-987 A San Diego: Linda Vista DA CA 649C ONVOY, LLC - CA 732      
858-987 8 San Diego: Linda Vista DA CA 649C ONVOY, LLC - CA 732   2016-02-22   
858-987 9 San Diego: Linda Vista DA CA 649C ONVOY, LLC - CA 732   2016-02-22   
858-988 1 San Diego: San Diego DA CA 649C ONVOY, LLC - CA 732   2020-02-10   
858-988 3 San Diego: San Diego DA CA 649C ONVOY, LLC - CA 732   2020-02-10   
858-988 5 San Diego: San Diego DA CA 649C ONVOY, LLC - CA 732   2020-02-10   
858-988 6 San Diego: San Diego DA CA 649C ONVOY, LLC - CA 732   2020-02-10   
858-988 7 San Diego: San Diego DA CA 649C ONVOY, LLC - CA 732   2020-02-10   
858-999 A La Jolla CA 649C ONVOY, LLC - CA 732      
858-999 9 La Jolla CA 649C ONVOY, LLC - CA 732   2010-11-21   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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