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: 326

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-326 A Rockford MI GDRPMIBL15Z  516C AT&T CORP. 348      
616-326 0 Rockford MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   
616-326 1 Rockford MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-08-12   
616-326 2 Rockford MI   543C ONVOY, LLCV - MI 348   2012-05-26   
616-326 3 Rockford MI   543C ONVOY, LLCV - MI 348   2013-01-05   
616-326 4 Rockford MI   543C ONVOY, LLCV - MI 348   2021-11-15   
616-326 5 Rockford MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2019-02-15   
616-326 6 Rockford MI   543C ONVOY, LLCV - MI 348   2013-03-19   
616-326 7 Rockford MI   516C AT&T CORP. 348   2011-09-11   
616-326 8 Rockford MI   318J COMCAST IP PHONE, LLC 348   2015-04-21   
616-326 9 Rockford MI   543C ONVOY, LLCV - MI 348   2015-12-14   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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