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: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-200 A Trufant MI GDRPMIBL54Z  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348      
616-200 0 Trufant MI GDRPMIBL54Z  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-04-05   
616-200 1 Trufant MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-09-02   
616-200 2 Trufant MI GDRPMIBQ1MD  4632 TELNET WORLDWIDE, INC. 348   2004-12-24   
616-200 3 Trufant MI GDRPMIBLX8Z  2550 123.NET, INC. 348   2005-09-04   
616-200 4 Trufant MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
616-200 5 Trufant MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
616-200 6 Trufant MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-01-27   
616-200 7 Trufant MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-03-12   
616-200 8 Trufant MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-04-14   
616-200 9 Trufant MI GDRPMIBL41Z  506J TWILIO INTERNATIONAL, INC. 348   2021-07-26   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.