Local Calling Guide

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NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-433 A Seguin TX   793K TWC IP ENABLED SERVICES, LLC 566      
830-433 0 Seguin TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2005-06-13   
830-433 1 Seguin TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2006-02-20   
830-433 2 Seguin TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2014-11-20   
830-433 3 Seguin TX SNANTX78G00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2014-11-20   
830-433 4 Seguin TX   793K TWC IP ENABLED SERVICES, LLC 566   2004-03-12   
830-433 5 Seguin TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2006-04-10   
830-433 6 Seguin TX SNANTX39DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 566   2006-10-23   
830-433 7 Seguin TX SNANTXCA34Z  004F BANDWIDTH.COM CLEC, LLC - TX 566   2009-02-21   
830-433 8 Seguin TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2011-06-09   
830-433 9 Seguin TX   793K TWC IP ENABLED SERVICES, LLC 566   2007-03-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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