Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-999 A Port Arthur TX BUMTTXTEDS4  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 562      
409-999 0 Port Arthur TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2013-12-13   
409-999 1 Port Arthur TX BUMTTX14X3Y  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 562   2014-10-15   
409-999 2 Port Arthur TX BUMTTX14X3Y  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 562   2014-10-15   
409-999 3 Port Arthur TX BUMTTX14IMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 562   2015-06-15   
409-999 4 Port Arthur TX BUMTTXTEDS4  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 562   2013-12-07   
409-999 5 Port Arthur TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2015-08-16   
409-999 6 Port Arthur TX   793K TWC IP ENABLED SERVICES, LLC 562   2015-03-30   
409-999 7 Port Arthur TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2014-12-25   
409-999 8 Port Arthur TX   793K TWC IP ENABLED SERVICES, LLC 562   2018-10-26   
409-999 9 Port Arthur TX BUMTTXTEDS4  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 562   2013-12-07   

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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