Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: THRKTXXARP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-849 A Throckmorton TX 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW 548      

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

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