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.

Switch: DTRTMIBHMMD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
313-637 0 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-637 2 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-637 7 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-637 9 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-642 6 Detroit Zone 2 MI 1200 TALK AMERICA INC. - MI 340   2006-02-09   
313-642 7 Detroit Zone 2 MI 1200 TALK AMERICA INC. - MI 340   2008-02-18   
313-653 6 Detroit Zone 4 MI 1200 TALK AMERICA INC. - MI 340   2007-12-11   
313-653 8 Detroit Zone 4 MI 0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 340   2007-09-26   
313-722 8 Detroit Zone 6 MI 1200 TALK AMERICA INC. - MI 340   2006-12-10   
313-732 4 Detroit Zone 2 MI 1200 TALK AMERICA INC. - MI 340   2005-12-12   
313-733 5 Detroit Zone 3 MI 0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 340   2007-09-26   
313-821 6 Detroit Zone 2 MI 1200 TALK AMERICA INC. - MI 340   2006-04-08   
313-825 1 Detroit Zone 2 MI 0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 340   2007-06-20   
313-827 A Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 0 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 1 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 2 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 3 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 4 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 5 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 6 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 7 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 8 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-827 9 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340      
313-883 5 Detroit Zone 3 MI 0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 340   2008-04-17   
313-918 3 Detroit Zone 1 MI 1200 TALK AMERICA INC. - MI 340   2007-12-11   
313-927 7 Detroit Zone 4 MI 1200 TALK AMERICA INC. - MI 340   2007-06-01   
313-936 3 Detroit Zone 2 MI 8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2015-05-27   
313-996 6 Detroit Zone 6 MI 7701 PHONE MICHIGAN - MI 340   2012-10-31   
517-292 5 Howell MI 0975 LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI 340   2004-03-02   
517-376 5 Howell MI 1200 TALK AMERICA INC. - MI 340   2005-08-13   
517-586 A Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 0 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 1 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 2 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 4 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 5 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 6 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 7 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 8 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-586 9 Howell MI 7701 PHONE MICHIGAN - MI 340      
517-618 8 Howell MI 1200 TALK AMERICA INC. - MI 340   2007-12-11   
517-861 8 Howell MI 8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2009-10-16   
586-207 6 Washington MI 1200 TALK AMERICA INC. - MI 340   2005-04-10   
586-209 5 Roseville MI 8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2009-10-15   
586-222 A Roseville MI 1200 TALK AMERICA INC. - MI 340      
586-222 0 Roseville MI 1200 TALK AMERICA INC. - MI 340   2005-05-05   
586-231 3 Mount Clemens MI 8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2009-10-15   
586-232 6 Washington MI 8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI 340   2009-10-27   
586-244 4 New Haven MI 7701 PHONE MICHIGAN - MI 340   2011-04-10   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.