Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: IRDLTXXARP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
254-364 5 Iredell TX 2153 TEXAS WINDSTREAM, LLC 556      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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