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]

NXX: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-237 A Nederland-Port Neches TX BUMTTXATOMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 562      
409-237 0 Nederland-Port Neches TX BUMTTX14IMD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 562   2012-08-27   
409-237 1 Nederland-Port Neches TX BUMTTX14X7Y  5562 METROPCS, INC. 562   2013-06-21   
409-237 2 Nederland-Port Neches TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2014-05-15   
409-237 3 Nederland-Port Neches TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2011-11-21   
409-237 4 Nederland-Port Neches TX BUMTTXTEXNX  516C AT&T CORP. 562   2012-01-22   
409-237 5 Nederland-Port Neches TX   793K TWC IP ENABLED SERVICES, LLC 562   2011-01-14   
409-237 6 Nederland-Port Neches TX BUMTTXATOMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 562   2010-03-19   
409-237 7 Nederland-Port Neches TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2014-11-09   
409-237 8 Nederland-Port Neches TX BUMTTX14X7Y  5562 METROPCS, INC. 562   2015-04-04   
409-237 9 Nederland-Port Neches TX BUMTTX14X7Y  5562 METROPCS, INC. 562   2015-05-18   

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

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