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: 536

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-536 A Caledonia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-536 0 Caledonia MI WYNGMIKAGT2  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 348      
616-536 1 Caledonia MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2011-02-25   
616-536 2 Caledonia MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
616-536 3 Caledonia MI GDRPMIBL54Z  0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2003-11-03   
616-536 4 Caledonia MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2003-03-22   
616-536 5 Caledonia MI GDRPMIBLXTZ  3535 ACD TELECOM, INC. - MI 348   2004-08-27   
616-536 6 Caledonia MI GDRPMIBL15Z  516C AT&T CORP. 348   2007-02-22   
616-536 7 Caledonia MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-04-01   
616-536 8 Caledonia MI GDRPMIQLX5Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2005-04-01   
616-536 9 Caledonia MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348   2021-07-11   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.