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
657-686 6 Garden Grove CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2022-04-24   
657-777 4 Cypress CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-11-22   
657-845 8 Huntington Beach CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-01-30   
657-888 9 Orange CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-06-02   
657-900 4 Santa Ana CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-02-09   
657-900 5 Santa Ana CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-05-28   
657-999 1 Anaheim CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-05-28   
657-999 5 Anaheim CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-06-16   
661-200 0 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-12-09   
661-206 1 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2009-08-10   
661-244 5 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-250 6 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-12-08   
661-261 4 Big Butte CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-26   
661-261 6 Big Butte CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-12-24   
661-262 8 Lake Hughes CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-01-31   
661-263 4 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-12-08   
661-268 4 Palmdale: Agua Dulce DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-306 A Lake Hughes CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-306 1 Lake Hughes CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-02-15   
661-310 A Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-310 0 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-310 1 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-310 2 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-310 3 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-310 7 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-310 9 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-338 A Lake Hughes CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-338 0 Lake Hughes CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-338 2 Lake Hughes CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-338 4 Lake Hughes CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-30   
661-339 A Hi Vista CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-339 0 Hi Vista CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-339 2 Hi Vista CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-339 3 Hi Vista CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-347 A Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-347 0 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-01-15   
661-347 1 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-04-23   
661-347 2 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-04-23   
661-347 4 Santa Clarita: Saugus Canyon Country DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-349 A Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-349 4 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-349 7 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-16   
661-349 8 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-10-24   
661-349 9 Palmdale: Palmdale DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-16   
661-414 0 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-08-07   
661-414 5 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-10-02   
661-414 7 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-10-02   
661-418 5 Lancaster CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-10-15   
661-425 9 Santa Clarita: Newhall-Castaic DA CA 8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-05-20   
661-430 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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