Local Calling Guide

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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-319 A Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      
903-319 0 Hooks TX LGVWTXBA40Z  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554   2014-07-10   
903-319 1 Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      
903-319 2 Hooks TX TXRKTXXAHMD  624H ONVOY SPECTRUM, LLC 554   2021-12-04   
903-319 3 Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      
903-319 4 Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      
903-319 5 Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      
903-319 6 Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      
903-319 7 Hooks TX   793K TWC IP ENABLED SERVICES, LLC 554   2024-04-21   
903-319 8 Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      
903-319 9 Hooks TX TXRKTXXA9MD  6529 T-MOBILE USA, INC. 554      

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

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