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: 923

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-923 A Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      
903-923 0 Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      
903-923 1 Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      
903-923 2 Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      
903-923 3 Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      
903-923 4 Marshall TX LGVWTXBA47Z  5562 METROPCS, INC. 554   2009-04-03   
903-923 5 Marshall TX   793K TWC IP ENABLED SERVICES, LLC 554   2025-02-02   
903-923 6 Marshall TX LGVWTXPLXEX  903C ONVOY, LLC - TX 554   2025-01-06   
903-923 7 Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      
903-923 8 Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      
903-923 9 Marshall TX MRSHTXWEDS0  9533 SOUTHWESTERN BELL 554      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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