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: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-977 A Boerne TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2026-11-16   
830-977 6 Boerne TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 566   2026-11-16   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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