Local Calling Guide

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

NXX: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-665 A Devine EMS TX DEVNTXDVDS0  9533 SOUTHWESTERN BELL 566      
830-665 0 Devine EMS TX SNANTXCA80Z  624H ONVOY SPECTRUM, LLC 566   2021-12-10   
830-665 1 Devine EMS TX SNANTXCADS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 566   2021-10-23   
830-665 2 Devine EMS TX DEVNTXDVDS0  9533 SOUTHWESTERN BELL 566      
830-665 3 Devine EMS TX   145J TERRA NOVA TELECOM INC. 566   2022-05-05   
830-665 4 Devine EMS TX DEVNTXDVDS0  9533 SOUTHWESTERN BELL 566      
830-665 5 Devine EMS TX DEVNTXDVDS0  9533 SOUTHWESTERN BELL 566      
830-665 6 Devine EMS TX   145J TERRA NOVA TELECOM INC. 566   2021-09-28   
830-665 7 Devine EMS TX SNAQTXKY7MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 566   2021-07-31   
830-665 8 Devine EMS TX DEVNTXDVDS0  9533 SOUTHWESTERN BELL 566      
830-665 9 Devine EMS TX DEVNTXDVDS0  9533 SOUTHWESTERN BELL 566      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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