Local Calling Guide

Area code/prefix search

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Port Arthur, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
409-999 4 BUMTTXTEDS4  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 562   2013-12-07   
409-999 5 BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2015-08-16   
409-999 6 BUMTTXTEXAY  793K TWC IP ENABLED SERVICES, LLC 562   2015-03-30   
409-999 7 BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2014-12-25   
409-999 8 BUMTTXTEXAY  793K TWC IP ENABLED SERVICES, LLC 562   2018-10-26   
409-999 9 BUMTTXTEDS4  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 562   2013-12-07   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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