Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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High Island, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
409-286 A HGISTXXADS0  0425 CAMERON TEL CO 562      

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

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