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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-317 A Grand Rapids MI BRSPMI098MD  321J HD CARRIER LLC 348      
616-317 0 Grand Rapids MI GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2021-03-25   
616-317 1 Grand Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-28   
616-317 2 Grand Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-28   
616-317 3 Grand Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-28   
616-317 4 Grand Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-28   
616-317 5 Grand Rapids MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2021-02-14   
616-317 6 Grand Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-28   
616-317 7 Grand Rapids MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-02-28   
616-317 8 Grand Rapids MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2021-04-24   
616-317 9 Grand Rapids MI BRSPMI098MD  321J HD CARRIER LLC 348   2020-11-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.