Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Sundown, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
806-229 A SNDWTXXARS0  1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 544      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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