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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-643 A Grand Rapids MI GDRPMIBLDS1  9323 MICHIGAN BELL TEL CO 348      
616-643 0 Grand Rapids MI   9323 MICHIGAN BELL TEL CO 348      
616-643 1 Grand Rapids MI   9323 MICHIGAN BELL TEL CO 348      
616-643 2 Grand Rapids MI   9323 MICHIGAN BELL TEL CO 348      
616-643 3 Grand Rapids MI   5562 METROPCS, INC. 348   2011-03-21   
616-643 4 Grand Rapids MI   9323 MICHIGAN BELL TEL CO 348      
616-643 5 Grand Rapids MI   9323 MICHIGAN BELL TEL CO 348      
616-643 6 Grand Rapids MI   9323 MICHIGAN BELL TEL CO 348      
616-643 7 Grand Rapids MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-05-31   
616-643 8 Grand Rapids MI   792K CHARTER IP ENABLED SERVICES, LLC 348   2007-02-25   
616-643 9 Grand Rapids MI   9323 MICHIGAN BELL TEL CO 348      

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

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