Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Fri, 17 May 2013 01:26:12 UTC

How to use this page

OCN: 649C NEUTRAL TANDEM-CALIFORNIA, LLC - CA [Rate centres for OCN 649C]

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NPA-NXX-X Rate Centre Region Switch LATA Eff date Disc date Map
209-910 Stockton CA 738 2008-08-09 map
209-910-0 Stockton CA 738 2008-08-09 map
213-493 Los Angeles: DA 07 CA LSANCARCDS3 730 2006-06-11 map
213-493-0 Los Angeles: DA 07 CA 730 2006-06-11 map
213-992-4 Los Angeles: DA 07 CA 730 2012-07-27
213-992-5 Los Angeles: DA 07 CA 730 2012-07-27
415-527-3 San Francisco: Central DA CA 722 2012-07-27
415-527-5 San Francisco: Central DA CA 722 2012-07-27
415-655 San Francisco: Central DA CA SNFCCAMKDS3 722 2007-02-23 map
415-655-0 San Francisco: Central DA CA 722 2007-02-23 map
442-281-9 Escondido CA 732 2013-04-12
442-777-9 Escondido CA 732 2013-04-12
559-470 Fresno CA 728 2008-09-21 map
559-470-0 Fresno CA 728 2008-09-21 map
559-515-7 Fresno CA 728 2010-12-25
559-515-8 Fresno CA 728 2010-12-20
619-326-3 San Diego: San Diego DA CA 732 2012-10-27
619-344-9 San Diego: San Diego DA CA 732 2012-12-02
619-550 San Diego: San Diego DA CA SNDGCAZXDS1 732 2007-10-01 map
619-550-0 San Diego: San Diego DA CA 732 2007-10-01 map
619-720 San Diego: San Diego DA CA 732 2012-04-16 map
619-720-0 San Diego: San Diego DA CA 732 2012-04-06 map
619-720-1 San Diego: San Diego DA CA 732 2012-04-06
619-720-2 San Diego: San Diego DA CA 732 2012-04-06
619-720-3 San Diego: San Diego DA CA 732 2012-04-06
619-720-4 San Diego: San Diego DA CA 732 2012-04-06
619-720-5 San Diego: San Diego DA CA 732 2012-04-06
619-720-6 San Diego: San Diego DA CA 732 2012-04-06
619-720-7 San Diego: San Diego DA CA 732 2012-04-06
619-720-8 San Diego: San Diego DA CA 732 2012-04-06
619-720-9 San Diego: San Diego DA CA 732 2012-04-06
619-810-9 San Diego: San Diego DA CA 732 2012-07-27
661-380-3 Bakersfield: Main DA CA 734 2010-12-20
661-380-4 Bakersfield: Main DA CA 734 2010-12-20
661-748 Bakersfield: Main DA CA 734 2008-08-09 map
661-748-0 Bakersfield: Main DA CA 734 2008-08-09 map
760-620 Palm Springs CA 973 2009-04-03 map
760-620-0 Palm Springs CA 973 2009-04-03 map
805-817 San Luis Obispo CA 740 2008-10-31 map
858-360-2 Rancho Penasquitos CA 732 2012-10-29
858-360-3 Rancho Penasquitos CA 732 2012-10-29
858-360-4 Rancho Penasquitos CA 732 2012-10-29
858-360-5 Rancho Penasquitos CA 732 2012-10-29
858-360-6 Rancho Penasquitos CA 732 2012-10-29
858-766 La Jolla CA 732 2012-12-29 map
858-766-2 La Jolla CA 732 2012-12-29
858-766-3 La Jolla CA 732 2012-12-29
858-766-4 La Jolla CA 732 2012-12-29
858-766-5 La Jolla CA 732 2012-12-29
858-766-6 La Jolla CA 732 2012-12-29


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