Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 616 [Rate centres in NPA 616] [Dial plan for NPA 616]

NXX: 618

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-618 A Grand Rapids MI   597F VOIP INNOVATIONS, LLC 348   2026-09-17   
616-618 0 Grand Rapids MI   597F VOIP INNOVATIONS, LLC 348   2026-09-17   
616-618 1 Grand Rapids MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2026-09-18   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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