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: Sat, 18 Oct 2014 02:39:13 UTC

How to use this page

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

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NPA-NXX BLOCK Rate Centre Region Switch LATA Eff date Disc date Map
213-493 A Los Angeles: DA 07 CA LSANCARCD3S 730 2006-06-11 map
213-493 0 Los Angeles: DA 07 CA 730 2006-06-11
213-992 4 Los Angeles: DA 07 CA 730 2012-07-27
213-992 5 Los Angeles: DA 07 CA 730 2012-07-27
323-536 8 Los Angeles: DA 14 CA 730 2014-08-25
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 A San Francisco: Central DA CA SNFCCAMKDS3 722 2007-02-23 map
415-655 0 San Francisco: Central DA CA 722 2007-02-23
442-281 9 Escondido CA 732 2013-04-12
442-777 9 Escondido CA 732 2013-04-12
559-470 A Fresno CA FRSNCA01XOY 728 2008-09-21 map
559-470 0 Fresno CA 728 2008-09-21
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 A San Diego: San Diego DA CA SNDGCAJWDS0 732 2007-10-01 map
619-550 0 San Diego: San Diego DA CA 732 2007-10-01
619-720 A San Diego: San Diego DA CA SNDGCAJWDS0 732 2012-04-16 map
619-720 0 San Diego: San Diego DA CA 732 2012-04-06
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
628-222 A San Francisco: Central DA CA 722 2015-03-21 map
628-222 2 San Francisco: Central DA CA 722 2015-03-21
628-333 A San Francisco: Central DA CA 722 2015-03-21 map
628-333 3 San Francisco: Central DA CA 722 2015-03-21
628-400 A San Francisco: Central DA CA 722 2015-03-21 map
628-400 0 San Francisco: Central DA CA 722 2015-03-21
628-444 A San Francisco: Central DA CA 722 2015-03-21 map
628-444 4 San Francisco: Central DA CA 722 2015-03-21
628-600 A San Francisco: Central DA CA 722 2015-03-21 map
628-600 0 San Francisco: Central DA CA 722 2015-03-21
628-800 A San Francisco: Central DA CA 722 2015-03-21 map
628-800 0 San Francisco: Central DA CA 722 2015-03-21
661-380 3 Bakersfield: Main DA CA 734 2010-12-20
661-380 4 Bakersfield: Main DA CA 734 2010-12-20
661-748 A Bakersfield: Main DA CA BKFDCA11GMD 734 2008-08-09 map
661-748 0 Bakersfield: Main DA CA 734 2008-08-09
669-225 2 San Jose: West DA CA 722 2014-09-16
760-620 A Palm Springs CA PLSPCAXGXPY 973 2009-04-03 map
760-620 0 Palm Springs CA 973 2009-04-03



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