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: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-991 A Tyler TX LGVWTXPLX8Y  515J IP HORIZON LLC 554      
903-991 0 Tyler TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 554   2021-04-29   
903-991 1 Tyler TX   515J IP HORIZON LLC 554   2020-11-19   
903-991 2 Tyler TX   903C ONVOY, LLC - TX 554   2020-12-03   
903-991 3 Tyler TX   903C ONVOY, LLC - TX 554   2020-12-03   
903-991 4 Tyler TX   903C ONVOY, LLC - TX 554   2020-12-03   
903-991 5 Tyler TX   903C ONVOY, LLC - TX 554   2020-12-03   
903-991 6 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-04-02   
903-991 7 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-04-02   
903-991 8 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-02-05   
903-991 9 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2021-02-05   

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

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