Local Calling Guide

Area code/prefix search

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

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-631 A Carthage TX LGVWTXBA47Z  5562 METROPCS, INC. 554      
903-631 0 Carthage TX   004F BANDWIDTH.COM CLEC, LLC - TX 554   2014-10-19   
903-631 1 Carthage TX   5562 METROPCS, INC. 554      
903-631 2 Carthage TX   516C AT&T CORP. 554   2011-09-12   
903-631 3 Carthage TX   145J TERRA NOVA TELECOM INC. 554   2026-01-10   
903-631 4 Carthage TX   6529 T-MOBILE USA, INC. 554      
903-631 5 Carthage TX   793K TWC IP ENABLED SERVICES, LLC 554   2025-06-01   
903-631 8 Carthage TX   6529 T-MOBILE USA, INC. 554   2024-11-18   
903-631 9 Carthage TX   5562 METROPCS, INC. 554      

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

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