Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 616 [Rate centres in NPA 616] [Dial plan for NPA 616]

NXX: 947

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-947 A Marne MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2025-01-05   
616-947 0 Marne MI   145J TERRA NOVA TELECOM INC. 348   2025-01-08   
616-947 2 Marne MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348   2009-09-26   
616-947 3 Marne MI   543C ONVOY, LLCV - MI 348   2012-05-26   
616-947 4 Marne MI   991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-08-24   
616-947 5 Marne MI   543C ONVOY, LLCV - MI 348   2013-01-03   
616-947 6 Marne MI   508J CENTURYLINK COMMUNICATIONS, LLC 348   2015-09-18   
616-947 7 Marne MI   543C ONVOY, LLCV - MI 348   2013-03-19   
616-947 8 Marne MI   543C ONVOY, LLCV - MI 348   2016-03-28   
616-947 9 Marne MI   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-24   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.