Local Calling Guide

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

NXX: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-457 A Big Wells TX BGWLTXBWRS0  9533 SOUTHWESTERN BELL 566      
830-457 0 Big Wells TX   145J TERRA NOVA TELECOM INC. 566   2021-01-27   
830-457 1 Big Wells TX   9533 SOUTHWESTERN BELL 566      
830-457 2 Big Wells TX   9533 SOUTHWESTERN BELL 566      
830-457 3 Big Wells TX   903C ONVOY, LLC - TX 566   2018-04-27   
830-457 4 Big Wells TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2014-07-21   
830-457 5 Big Wells TX   516C AT&T CORP. 566   2011-11-25   
830-457 6 Big Wells TX   903C ONVOY, LLC - TX 566   2015-08-08   
830-457 7 Big Wells TX   903C ONVOY, LLC - TX 566   2010-11-05   
830-457 8 Big Wells TX   073H TELNYX LLC 566   2021-05-30   
830-457 9 Big Wells TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2014-05-02   

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

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