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: 274

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-274 A Ada MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-274 0 Ada MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2019-06-02   
616-274 1 Ada MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2018-03-12   
616-274 2 Ada MI   543C ONVOY, LLCV - MI 348   2021-03-06   
616-274 3 Ada MI   543C ONVOY, LLCV - MI 348   2021-03-06   
616-274 4 Ada MI   543C ONVOY, LLCV - MI 348   2021-07-11   
616-274 5 Ada MI   543C ONVOY, LLCV - MI 348   2021-07-11   
616-274 6 Ada MI   624H ONVOY SPECTRUM, LLC 348   2021-06-18   
616-274 7 Ada MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2017-05-28   
616-274 8 Ada MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2017-05-28   
616-274 9 Ada MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2017-05-28   

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

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