Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 471

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-471 A Onondaga MI   597F VOIP INNOVATIONS, LLC 346   2026-09-17   
517-471 0 Onondaga MI   597F VOIP INNOVATIONS, LLC 346   2026-09-17   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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