Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 479 [Rate centres in NPA 479] [Dial plan for NPA 479]

NXX: 674

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-674 A Lavaca AR LAVCARXADS0  1704 LAVACA TEL CO 526      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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