Local Calling Guide

Area code/prefix search

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

NXX: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-283 A Tyler TX LGVWTXTLX1X  7421 AT&T - LOCAL 554      
903-283 0 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2005-12-22   
903-283 1 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2005-12-22   
903-283 2 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2005-12-22   
903-283 3 Tyler TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2005-12-22   
903-283 4 Tyler TX   5562 METROPCS, INC. 554   2005-10-27   
903-283 5 Tyler TX   5562 METROPCS, INC. 554   2006-05-26   
903-283 6 Tyler TX   6529 T-MOBILE USA, INC. 554   2005-03-21   
903-283 7 Tyler TX   5562 METROPCS, INC. 554   2006-01-12   
903-283 8 Tyler TX   5562 METROPCS, INC. 554   2005-02-01   
903-283 9 Tyler TX   7421 AT&T - LOCAL 554      

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

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