Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SNDGCA0291Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-521 8 Rancho Bernardo CA 793K TWC IP ENABLED SERVICES, LLC 732   2007-09-18   
858-521 9 Rancho Bernardo CA 793K TWC IP ENABLED SERVICES, LLC 732   2007-09-18   
858-564 8 San Diego: Mira Mesa DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2007-09-04   
858-564 9 San Diego: Mira Mesa DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2007-09-04   
858-598 5 San Diego: Linda Vista DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2007-12-13   
858-598 6 San Diego: Linda Vista DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2007-12-13   
858-649 6 Rancho Bernardo CA 793K TWC IP ENABLED SERVICES, LLC 732   2013-07-11   
858-705 6 Rancho Bernardo CA 793K TWC IP ENABLED SERVICES, LLC 732   2009-09-23   
858-732 0 La Jolla CA 793K TWC IP ENABLED SERVICES, LLC 732   2015-10-30   
858-737 9 San Diego: Linda Vista DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2012-04-05   
858-750 2 La Jolla CA 793K TWC IP ENABLED SERVICES, LLC 732   2008-08-14   
858-750 3 La Jolla CA 793K TWC IP ENABLED SERVICES, LLC 732   2008-08-28   
858-771 5 Rancho Santa Fe CA 793K TWC IP ENABLED SERVICES, LLC 732   2013-07-11   
858-798 4 Rancho Bernardo CA 793K TWC IP ENABLED SERVICES, LLC 732   2015-10-30   
858-800 1 San Diego: Mira Mesa DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2012-04-08   
858-800 7 San Diego: Mira Mesa DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2013-07-11   
858-836 1 San Diego: Linda Vista DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2008-09-23   
858-836 2 San Diego: Linda Vista DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2008-11-10   
858-883 0 Poway CA 793K TWC IP ENABLED SERVICES, LLC 732   2013-07-11   
858-900 2 La Jolla CA 793K TWC IP ENABLED SERVICES, LLC 732   2012-06-13   
858-925 6 Del Mar CA 793K TWC IP ENABLED SERVICES, LLC 732   2011-10-28   
858-935 9 San Diego: Mira Mesa DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2008-08-20   
858-987 1 San Diego: Linda Vista DA CA 793K TWC IP ENABLED SERVICES, LLC 732   2015-09-28   
858-999 0 La Jolla CA 793K TWC IP ENABLED SERVICES, LLC 732   2011-03-23   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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