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: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-863 A Rockford MI RCFRMIMNRS1  9323 MICHIGAN BELL TEL CO 348      
616-863 0 Rockford MI   9323 MICHIGAN BELL TEL CO 348      
616-863 1 Rockford MI   9323 MICHIGAN BELL TEL CO 348      
616-863 2 Rockford MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2007-07-17   
616-863 3 Rockford MI   9323 MICHIGAN BELL TEL CO 348      
616-863 4 Rockford MI   9323 MICHIGAN BELL TEL CO 348      
616-863 5 Rockford MI   9323 MICHIGAN BELL TEL CO 348      
616-863 6 Rockford MI   9323 MICHIGAN BELL TEL CO 348      
616-863 7 Rockford MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-03-17   
616-863 8 Rockford MI   9323 MICHIGAN BELL TEL CO 348      
616-863 9 Rockford MI   9323 MICHIGAN BELL TEL CO 348      

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

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