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
409-251 A BUMTTXTEX6Y  318C CEBRIDGE TELECOM TX , L.P. - TX 562      
409-286 A HGISTXXADS0  0425 CAMERON TEL CO 562      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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