Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 7262 XO CALIFORNIA, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
424-247 1 Redondo CA SNANCALWDS1  730   2006-09-15   
424-252 4 Santa Monica: Santa Monica DA CA SNANCALWDS1  730   2012-09-28   
424-253 A Beverly Hills CA SNANCALWDS1  730      
424-253 2 Beverly Hills CA SNANCALWDS1  730   2009-12-24   
424-253 3 Beverly Hills CA SNANCALWDS1  730   2009-12-24   
424-254 A Redondo CA SNANCALWDS1  730      
424-254 2 Redondo CA SNANCALWDS1  730   2010-05-10   
424-258 3 Culver City CA SNANCALWDS0  730   2008-10-22   
424-266 3 Compton: Gardena DA CA SNANCALWDS0  730   2011-01-26   
424-267 A San Pedro CA SNANCALWDS1  730      
424-267 0 San Pedro CA SNANCALWDS1  730   2011-01-17   
424-267 4 San Pedro CA SNANCALWDS1  730   2011-01-17   
424-298 4 Culver City CA SNANCALWDS1  730   2006-10-09   
424-299 3 Santa Monica: Santa Monica DA CA SNANCALWDS1  730   2014-02-25   
424-333 7 Beverly Hills CA LNBHCATVDS0  730   2012-12-13   
424-442 1 West Los Angeles CA SNANCALWDS1  730   2008-10-26   
424-456 3 Hawthorne CA SNANCALWDS0  730   2007-08-10   
424-644 2 Malibu CA SNANCALWDS1  730   2009-08-31   
424-644 3 Malibu CA SNANCALWDS1  730   2008-12-21   
424-644 8 Malibu CA SNANCALWDS1  730   2006-10-09   
424-652 4 West Los Angeles CA SNANCALWDS1  730   2010-03-01   
424-653 A Beverly Hills CA LNBHCATVDS0  730      
424-653 1 Beverly Hills CA LNBHCATVDS0  730   2006-08-28   
424-675 3 Hawthorne CA SNANCALWDS1  730   2007-12-25   
424-675 7 Hawthorne CA SNANCALWDS1  730   2006-10-02   
424-703 6 San Pedro CA SNANCALWDS1  730   2010-12-13   
424-750 3 Inglewood CA SNANCALWDS0  730   2007-05-03   
424-832 1 West Los Angeles CA SNANCALWDS1  730   2006-09-15   
424-901 6 West Los Angeles CA LNBHCATVDS0  730   2007-07-30   
424-901 7 West Los Angeles CA LNBHCATVDS0  730   2007-07-30   
424-901 8 West Los Angeles CA LNBHCATVDS0  730   2006-09-15   
424-903 3 Redondo CA LNBHCATVDS0  730   2007-08-10   
424-999 3 Torrance CA SNANCALWDS1  730   2012-03-30   
424-999 4 Torrance CA SNANCALWDS1  730   2012-03-30   
510-221 4 Richmond CA FRMTCAEDDS2  722   2010-09-20   
510-227 6 Oakland: Alameda DA CA FRMTCAEDDS2  722   2009-07-13   
510-257 5 Fremont-Newark: Oliver DA CA FRMTCAEDDS2  722   2005-09-15   
510-257 6 Fremont-Newark: Oliver DA CA FRMTCAEDDS2  722   2005-09-15   
510-257 7 Fremont-Newark: Oliver DA CA FRMTCAEDDS0  722   2005-09-15   
510-257 8 Fremont-Newark: Oliver DA CA FRMTCAEDDS0  722   2005-09-15   
510-259 9 Hayward CA FRMTCAEDDS2  722   2010-10-25   
510-263 3 Oakland: Alameda DA CA FRMTCAEDDS0  722   2005-09-15   
510-263 5 Oakland: Alameda DA CA FRMTCAEDDS0  722   2005-09-15   
510-263 6 Oakland: Alameda DA CA FRMTCAEDDS0  722   2005-09-15   
510-280 A Oakland: Berkeley DA CA FRMTCAEDDS0  722      
510-280 0 Oakland: Berkeley DA CA FRMTCAEDDS0  722   2006-05-21   
510-280 1 Oakland: Berkeley DA CA FRMTCAEDDS0  722      
510-280 2 Oakland: Berkeley DA CA FRMTCAEDDS0  722      
510-280 3 Oakland: Berkeley DA CA FRMTCAEDDS0  722   2007-06-01   
510-280 6 Oakland: Berkeley DA CA FRMTCAEDDS0  722      

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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