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: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-390 A Seguin TX SNANTXCA74Z  939H COMMIO, LLC 566      
830-390 0 Seguin TX   939H COMMIO, LLC 566   2022-03-27   
830-390 1 Seguin TX   903C ONVOY, LLC - TX 566   2023-08-12   
830-390 2 Seguin TX   903C ONVOY, LLC - TX 566   2023-08-12   
830-390 3 Seguin TX   903C ONVOY, LLC - TX 566   2023-08-12   
830-390 4 Seguin TX   490J DISH WIRELESS, LLC 566   2022-10-10   
830-390 5 Seguin TX   6529 T-MOBILE USA, INC. 566   2022-11-02   
830-390 6 Seguin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2023-07-24   
830-390 8 Seguin TX   939H COMMIO, LLC 566   2024-01-19   
830-390 9 Seguin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2023-09-03   

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

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