Local Calling Guide

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NPA: 747 [Rate centres in NPA 747] [Dial plan for NPA 747]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-257 A Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
747-257 0 Glendale CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-09   
747-257 1 Glendale CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2016-12-02   
747-257 2 Glendale CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2017-01-27   
747-257 3 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-12-23   
747-257 4 Glendale CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2017-06-06   
747-257 5 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-12-05   
747-257 6 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-12-05   
747-257 7 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2017-07-12   
747-257 8 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-10-07   
747-257 9 Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-10-07   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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