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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Montebello, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
323-626 A LSANCARCDSZ  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 730      
323-629 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-629 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-05-03   
323-629 1   899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-629 2   899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-629 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2009-11-08   
323-629 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-12-13   
323-629 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-07-25   
323-629 6   899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-629 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-09-03   
323-629 8   649C ONVOY, LLC - CA 730   2010-03-07   
323-629 9   899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-631 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-631 0   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 1   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 2   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 3   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 4   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 5   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 6   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 7   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 8   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 9   899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-637 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-637 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-02-09   
323-637 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-02-09   
323-637 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-02-09   
323-637 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-02-09   
323-637 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-02-09   
323-637 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2006-02-09   
323-637 6   899D METROPCS NETWORKS, LLC 730   2006-01-03   
323-637 7   899D METROPCS NETWORKS, LLC 730   2006-01-03   
323-637 8   899D METROPCS NETWORKS, LLC 730   2006-01-03   
323-637 9   899D METROPCS NETWORKS, LLC 730   2006-01-03   
323-659 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-659 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-11-07   
323-659 1   624H ONVOY SPECTRUM, LLC 730   2021-11-18   
323-659 2   197D VONAGE AMERICA LLC 730   2021-11-08   
323-659 3   649C ONVOY, LLC - CA 730   2021-11-16   
323-659 4   649C ONVOY, LLC - CA 730   2021-11-16   
323-659 5   649C ONVOY, LLC - CA 730   2021-11-16   
323-659 6   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-11-08   
323-659 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-11-12   
323-659 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-11-12   
323-659 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-12-15   
323-670 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-670 0   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 1   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 2   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 3   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 4   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 5   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 6   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 7   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 8   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-670 9   899D METROPCS NETWORKS, LLC 730   2015-02-05   
323-680 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-680 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-10-16   
323-680 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-11-21   
323-680 2   899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-680 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2011-02-27   
323-680 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-26   
323-680 5   981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-02-26   
323-680 6   899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-680 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-09-03   
323-680 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-12-16   
323-680 9   899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-691 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-691 0   899D METROPCS NETWORKS, LLC 730      
323-691 1   899D METROPCS NETWORKS, LLC 730      
323-691 2   899D METROPCS NETWORKS, LLC 730      
323-691 3   899D METROPCS NETWORKS, LLC 730      
323-691 4   899D METROPCS NETWORKS, LLC 730      
323-691 5   899D METROPCS NETWORKS, LLC 730      
323-691 6   899D METROPCS NETWORKS, LLC 730      
323-691 7   899D METROPCS NETWORKS, LLC 730      
323-691 8   899D METROPCS NETWORKS, LLC 730      
323-691 9   899D METROPCS NETWORKS, LLC 730      
323-693 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-693 0   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-693 1   649C ONVOY, LLC - CA 730      
323-693 2   981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-693 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-06   
323-693 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-04-06   
323-693 5   649C ONVOY, LLC - CA 730      
323-693 6   899D METROPCS NETWORKS, LLC 730   2012-01-16   
323-693 7   649C ONVOY, LLC - CA 730      
323-693 8   649C ONVOY, LLC - CA 730      
323-693 9   649C ONVOY, LLC - CA 730      
323-695 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-695 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-12-03   
323-695 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-12-03   
323-695 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-12-03   
323-695 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-12-16   
323-695 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-09-01   
323-695 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-12-16   
323-695 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-12-16   
323-695 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-09-01   
323-695 8   6529 T-MOBILE USA, INC. 730   2008-02-05   
323-695 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2008-02-08   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.