Local Calling Guide

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NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-621 4 Montebello CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-02-23   
323-621 5 Montebello CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-02-23   
323-621 6 Montebello CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-02-23   
323-621 7 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-12-11   
323-621 8 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-12-11   
323-621 9 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2014-03-28   
323-622 A Montebello CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-622 0 Montebello CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-622 1 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-09-29   
323-622 2 Montebello CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
323-622 3 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-12-15   
323-622 4 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-24   
323-622 5 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-02-07   
323-622 6 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2018-12-24   
323-622 7 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2018-12-24   
323-622 8 Montebello CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-09-02   
323-622 9 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2012-12-22   
323-623 A Los Angeles: DA 14 CA LSANCARCDSZ  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 730      
323-624 A Montebello CA LSANCARCDSZ  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 730      
323-625 A Los Angeles: DA 06 CA LSANCARCDSZ  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 730      
323-626 A Montebello CA LSANCARCDSZ  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 730      
323-627 A Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
323-628 A Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-628 0 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 1 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 2 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 3 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 4 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 5 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 6 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 7 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-11-27   
323-628 8 Los Angeles: DA 14 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-09-03   
323-628 9 Los Angeles: DA 14 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2017-10-14   
323-629 A Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-629 0 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-05-03   
323-629 1 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-629 2 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-629 3 Montebello CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2009-11-08   
323-629 4 Montebello CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-12-13   
323-629 5 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2012-07-25   
323-629 6 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-629 7 Montebello CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2010-09-03   
323-629 8 Montebello CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-03-07   
323-629 9 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-10-25   
323-630 A Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-631 A Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-631 0 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 1 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 2 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-12-19   
323-631 3 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2014-12-19   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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