Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-549 A Seguin TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-549 0 Seguin TX   6529 T-MOBILE USA, INC. 566   2012-11-26   
830-549 1 Seguin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2015-04-06   
830-549 2 Seguin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2011-10-24   
830-549 3 Seguin TX   829J PAETEC ITEL, LLC 566   2011-10-13   
830-549 4 Seguin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-549 5 Seguin TX   793K TWC IP ENABLED SERVICES, LLC 566   2005-07-27   
830-549 6 Seguin TX   903C ONVOY, LLC - TX 566   2013-07-19   
830-549 7 Seguin TX   6529 T-MOBILE USA, INC. 566   2009-12-10   
830-549 8 Seguin TX   903C ONVOY, LLC - TX 566   2004-01-03   
830-549 9 Seguin TX   6529 T-MOBILE USA, INC. 566   2010-09-21   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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