Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-430 0 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-430 6 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-10-06   
661-430 9 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-11-10   
661-434 4 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-12-28   
661-449 8 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-15   
661-450 A Palmdale: Agua Dulce DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-450 1 Palmdale: Agua Dulce DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-450 4 Palmdale: Agua Dulce DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-450 9 Palmdale: Agua Dulce DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-10-23   
661-456 A Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-456 0 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-456 1 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-456 2 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-456 3 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-456 4 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-462 4 Big Butte CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-483 2 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-08-26   
661-485 2 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-03-04   
661-505 A Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-505 1 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-10-09   
661-505 6 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-04-29   
661-524 A Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-524 0 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-07-11   
661-526 0 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-03-18   
661-600 9 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-03-02   
661-622 4 Palmdale: Leona Valley DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-673 7 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-01-08   
661-727 4 Hi Vista CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-794 5 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-07   
661-794 6 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-06   
661-874 1 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-03-10   
661-874 4 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-877 4 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-877 9 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-07-23   
661-878 7 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-11-13   
661-878 9 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-11-13   
661-886 7 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-03   
661-888 4 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-08-29   
661-888 9 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2019-12-26   
661-902 0 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-07-03   
661-949 5 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 A Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 0 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 1 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 2 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 3 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 5 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-952 7 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-05-21   
661-952 9 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-977 A Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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