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: 689

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-689 A Medina Lake EMS TX SNANTXCADS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
830-689 0 Medina Lake EMS TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566      
830-689 3 Medina Lake EMS TX   624H ONVOY SPECTRUM, LLC 566   2021-06-24   
830-689 5 Medina Lake EMS TX   903C ONVOY, LLC - TX 566   2016-03-07   
830-689 6 Medina Lake EMS TX   903C ONVOY, LLC - TX 566   2016-03-07   
830-689 8 Medina Lake EMS TX   903C ONVOY, LLC - TX 566   2014-10-03   
830-689 9 Medina Lake EMS TX   903C ONVOY, LLC - TX 566   2014-10-03   

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

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