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
805-926 8 Cambria CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2006-01-14   
805-930 2 Nipomo CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740      
805-944 1 Lompoc CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2014-01-10   
805-960 5 Los Alamos CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2005-08-01   
805-960 7 Los Alamos CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2014-07-07   
805-971 3 Santa Barbara CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2019-12-30   
805-980 A Arroyo Grande CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740      
805-980 3 Arroyo Grande CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740      
805-980 7 Arroyo Grande CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2008-05-19   
805-980 9 Arroyo Grande CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2009-06-23   
805-995 4 Cayucos CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2005-07-26   
820-600 5 Pismo Beach CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 740   2022-06-25   

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

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