Local Calling Guide

Area code/prefix search

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

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
747-331 A Glendale CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
747-331 0 Glendale CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-08-03   
747-331 1 Glendale CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-09-10   
747-331 2 Glendale CA   649C ONVOY, LLC - CA 730   2023-08-10   
747-331 3 Glendale CA   649C ONVOY, LLC - CA 730   2023-08-10   
747-331 4 Glendale CA   649C ONVOY, LLC - CA 730   2023-08-10   
747-331 5 Glendale CA   649C ONVOY, LLC - CA 730   2023-08-10   
747-331 6 Glendale CA   649C ONVOY, LLC - CA 730   2023-08-10   
747-331 7 Glendale CA   6529 T-MOBILE USA, INC. 730   2023-03-25   
747-331 8 Glendale CA   939H COMMIO, LLC 730   2024-01-28   
747-331 9 Glendale CA   6529 T-MOBILE USA, INC. 730   2023-03-25   

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

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