Local Calling Guide

Area code/prefix search

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Medina Lake EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-612 A MDLKTXMLRS0  9533 SOUTHWESTERN BELL 566      
830-612 0   004F BANDWIDTH.COM CLEC, LLC - TX 566   2015-07-25   
830-612 2   9533 SOUTHWESTERN BELL 566      
830-612 3   9533 SOUTHWESTERN BELL 566      
830-612 5   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 566   2003-04-07   
830-689 A SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
830-689 0   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
830-689 3   624H ONVOY SPECTRUM, LLC 566   2021-06-24   
830-689 5   903C ONVOY, LLC - TX 566   2016-03-07   
830-689 6   903C ONVOY, LLC - TX 566   2016-03-07   
830-689 8   903C ONVOY, LLC - TX 566   2014-10-03   
830-689 9   903C ONVOY, LLC - TX 566   2014-10-03   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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