Local Calling Guide

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

NXX: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-745 A Howe TX SHMNTXXASMD  903C ONVOY, LLC - TX 552      
903-745 4 Howe TX SHMNTXXASMD  903C ONVOY, LLC - TX 552      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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