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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-392 A Blanco TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566      
830-392 0 Blanco TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2005-12-05   
830-392 1 Blanco TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2014-05-02   
830-392 2 Blanco TX   073H TELNYX LLC 566   2019-09-27   
830-392 3 Blanco TX   939H COMMIO, LLC 566   2023-08-27   
830-392 4 Blanco TX   145J TERRA NOVA TELECOM INC. 566   2023-08-10   
830-392 5 Blanco TX   793K TWC IP ENABLED SERVICES, LLC 566   2015-08-11   
830-392 6 Blanco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2004-09-19   
830-392 8 Blanco TX   939H COMMIO, LLC 566   2023-08-27   
830-392 9 Blanco TX   139F WORLDCALL INTERCONNECT INC. 566   2008-09-12   

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

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