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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-277 A Charlotte TX CHRLTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-277 0 Charlotte TX   939H COMMIO, LLC 566   2023-08-27   
830-277 1 Charlotte TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-277 2 Charlotte TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-277 7 Charlotte TX   965H FRACTEL, LLC 566   2020-08-02   
830-277 8 Charlotte TX   939H COMMIO, LLC 566   2023-08-27   
830-277 9 Charlotte TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      

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

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