Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DGNLIAXORP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-734 9 Diagonal IA 1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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