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: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-999 A Grand Rapids MI   883K AHOI LLC 348   2026-03-06   
616-999 9 Grand Rapids MI   883K AHOI LLC 348   2026-03-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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