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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-506 A Texarkana TX TXRKTXXA9MD  5562 METROPCS, INC. 554      
903-506 0 Texarkana TX   5562 METROPCS, INC. 554   2009-05-23   
903-506 1 Texarkana TX   5562 METROPCS, INC. 554   2009-05-23   
903-506 2 Texarkana TX   5562 METROPCS, INC. 554   2009-05-23   
903-506 3 Texarkana TX   5562 METROPCS, INC. 554   2012-03-09   
903-506 4 Texarkana TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2019-12-22   
903-506 5 Texarkana TX   5562 METROPCS, INC. 554   2009-06-08   
903-506 6 Texarkana TX   5562 METROPCS, INC. 554   2009-06-08   
903-506 7 Texarkana TX   5562 METROPCS, INC. 554   2018-02-26   
903-506 8 Texarkana TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 554   2020-04-11   
903-506 9 Texarkana TX   6529 T-MOBILE USA, INC. 554   2016-09-02   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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