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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-439 A Cedar Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348      
616-439 0 Cedar Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2010-04-15   
616-439 1 Cedar Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-04-14   
616-439 2 Cedar Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-05-26   
616-439 3 Cedar Springs MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2012-06-11   
616-439 4 Cedar Springs MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2012-10-18   
616-439 5 Cedar Springs MI GDRPMIBL15Z  516C AT&T CORP. 348   2012-12-03   
616-439 6 Cedar Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2012-12-29   
616-439 7 Cedar Springs MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2013-08-06   
616-439 8 Cedar Springs MI GDRQMIBODMD  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 348   2014-01-10   
616-439 9 Cedar Springs MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2013-03-19   

Last updated: Wed, 01 Jan 2025 02:39:49 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.