Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 817

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-817 A Tyler TX LGVWTXBA45Z  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2024-02-11   
903-817 0 Tyler TX   903C ONVOY, LLC - TX 554   2024-02-12   
903-817 1 Tyler TX   903C ONVOY, LLC - TX 554   2024-02-12   
903-817 3 Tyler TX   903C ONVOY, LLC - TX 554   2024-02-12   
903-817 4 Tyler TX   903C ONVOY, LLC - TX 554   2024-02-12   
903-817 5 Tyler TX   478J NUSO, LLC 554   2024-02-12   
903-817 6 Tyler TX   478J NUSO, LLC 554   2024-02-12   
903-817 7 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2024-02-11   
903-817 8 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2024-02-11   
903-817 9 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2024-02-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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