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: 683

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-683 A Rocksprings TX CMWDTXXADS0  2135 SOUTHWEST TEXAS TEL. CO. 566      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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