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.

Three Oaks, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
269-229 A GDRPMIIV1MD  2518 LUCRE, INC. 348      
269-237 A   543C ONVOY, LLC - MI 348      
269-237 0   543C ONVOY, LLC - MI 348   2016-05-02   
269-237 1   543C ONVOY, LLC - MI 348   2016-05-02   
269-237 2   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2020-03-19   
269-645 A GDRPMIBQDS1  4632 TELNET WORLDWIDE, INC. 348      
269-756 A THOKMIMNRSA  9323 AMERITECH MICHIGAN 348      
269-756 0   2550 123 NET, INC. 348   2002-12-01   
269-756 1   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2004-07-17   
269-756 2   9323 AMERITECH MICHIGAN 348      
269-756 3   9323 AMERITECH MICHIGAN 348      
269-756 4   0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 348   2004-03-02   
269-756 6   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 348   2015-12-06   
269-756 7   9323 AMERITECH MICHIGAN 348      
269-756 8   3535 ACD TELECOM, INC. - MI 348   2004-10-04   
269-756 9   9323 AMERITECH MICHIGAN 348      
269-820 A GDRPMIQLX1Y  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348      
269-820 0   543C ONVOY, LLC - MI 348   2013-01-05   
269-820 1   991E BANDWIDTH.COM CLEC, LLC - MI 348   2014-10-19   
269-820 2   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 348   2006-10-08   
269-820 3   543C ONVOY, LLC - MI 348   2012-05-27   
269-820 4   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 348   2006-01-05   
269-820 5   7157 BROOKS FIBER COMMUNICATIONS OF MICHIGAN - MI 348   2012-12-10   
269-820 6   516C AT&T CORP. 348   2013-11-08   
269-820 7   7575 CENTURYLINK COMMUNICATIONS LLC 348   2015-09-19   
269-820 8   543C ONVOY, LLC - MI 348   2013-03-18   

Last updated: Sun, 31 May 2020 11:59:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.