Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Devine EMS, TX

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

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

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