Local Calling Guide

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

NXX: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-446 A Longview TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
903-446 2 Longview TX   903C ONVOY, LLC - TX 554      
903-446 3 Longview TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      
903-446 5 Longview TX   883K AHOI LLC 554   2026-04-25   
903-446 9 Longview TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 554      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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