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.

OCN: 6120 LEVEL 3 COMMUNICATIONS, LLC - MI

<< 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 Switch LATA LIR Eff date Disc date
586-430 8 Richmond MI SFLDMIDNDS6  340   2014-03-31   
586-435 A Roseville MI SFLDMIDNDS6  340      
586-435 0 Roseville MI SFLDMIDNDS6  340      
586-435 1 Roseville MI SFLDMIDNDS6  340      
586-435 3 Roseville MI SFLDMIDNDS6  340      
586-435 5 Roseville MI SFLDMIDNDS6  340      
586-435 6 Roseville MI SFLDMIDNDS6  340      
586-435 8 Roseville MI SFLDMIDNDS6  340      
586-438 3 Warren MI SFLDMIDNDS6  340   2007-04-19   
586-439 0 Roseville MI SFLDMIDNDS6  340   2007-10-25   
586-439 3 Roseville MI SFLDMIDNDS6  340   2005-09-12   
586-439 5 Roseville MI SFLDMIDNDS6  340   2003-01-12   
586-447 7 Roseville MI SFLDMIDNDS6  340   2007-12-04   
586-477 A Mount Clemens MI SFLDMIDNDS6  340      
586-477 4 Mount Clemens MI SFLDMIDNDS6  340      
586-480 1 Warren MI SFLDMIDNDS6  340   2011-09-24   
586-480 2 Warren MI SFLDMIDNDS6  340   2010-11-27   
586-486 A Center Line MI SFLDMIDNDS6  340      
586-486 3 Center Line MI SFLDMIDNDS6  340   2005-04-15   
586-486 6 Center Line MI SFLDMIDNDS6  340   2005-04-15   
586-486 7 Center Line MI SFLDMIDNDS6  340   2005-04-15   
586-501 0 Center Line MI SFLDMIDNDS6  340      
586-501 5 Center Line MI SFLDMIDNDS6  340   2006-01-05   
586-501 6 Center Line MI SFLDMIDNDS6  340   2006-01-05   
586-501 7 Center Line MI SFLDMIDNDS6  340      
586-501 9 Center Line MI SFLDMIDNDS6  340      
586-510 A Center Line MI SFLDMIDNDS6  340      
586-510 1 Center Line MI SFLDMIDNDS6  340      
586-510 2 Center Line MI SFLDMIDNDS6  340      
586-510 3 Center Line MI SFLDMIDNDS6  340      
586-510 7 Center Line MI SFLDMIDNDS6  340      
586-510 9 Center Line MI SFLDMIDNDS6  340      
586-522 4 Mount Clemens MI SFLDMIDNDS6  340   2013-10-31   
586-554 2 Warren MI SFLDMIDNDS6  340   2013-06-23   
586-580 4 Utica MI SFLDMIDNDS6  340   2003-01-12   
586-580 7 Utica MI SFLDMIDNDS6  340   2004-11-22   
586-580 8 Utica MI SFLDMIDNDS6  340   2005-09-12   
586-580 9 Utica MI SFLDMIDNDS6  340   2005-09-12   
586-623 A Romeo MI SFLDMIDNDS6  340      
586-623 4 Romeo MI SFLDMIDNDS6  340      
586-623 5 Romeo MI SFLDMIDNDS6  340   2005-04-16   
586-623 6 Romeo MI SFLDMIDNDS6  340   2005-04-16   
586-625 5 Armada MI SFLDMIDNDS6  340   2014-08-17   
586-630 3 Mount Clemens MI SFLDMIDNDS6  340   2005-03-18   
586-630 4 Mount Clemens MI SFLDMIDNDS6  340   2005-03-18   
586-630 5 Mount Clemens MI SFLDMIDNDS6  340   2004-11-22   
586-646 2 New Haven MI SFLDMIDNDS6  340   2005-12-17   
586-646 4 New Haven MI SFLDMIDNDS6  340   2004-02-07   
586-648 A New Baltimore MI SFLDMIDNDS6  340      
586-648 1 New Baltimore MI SFLDMIDNDS6  340   2006-02-11   
586-649 3 Mount Clemens MI SFLDMIDNDS6  340   2005-03-18   
586-649 9 Mount Clemens MI SFLDMIDNDS6  340      
586-666 5 Mount Clemens MI SFLDMIDNDS6  340   2019-05-02   
586-666 7 Mount Clemens MI SFLDMIDNDS6  340   2019-05-02   
586-666 9 Mount Clemens MI SFLDMIDNDS6  340   2019-05-02   
586-684 4 New Baltimore MI SFLDMIDNDS6  340   2011-12-25   
586-690 4 Mount Clemens MI SFLDMIDNDS6  340   2010-12-10   
586-690 6 Mount Clemens MI SFLDMIDNDS6  340   2012-01-22   
586-693 A Warren MI SFLDMIDNDS6  340      
586-693 0 Warren MI SFLDMIDNDS6  340      
586-693 1 Warren MI SFLDMIDNDS6  340      
586-693 2 Warren MI SFLDMIDNDS6  340      
586-693 3 Warren MI SFLDMIDNDS6  340      
586-693 4 Warren MI SFLDMIDNDS6  340      
586-693 6 Warren MI SFLDMIDNDS6  340      
586-693 7 Warren MI SFLDMIDNDS6  340      
586-693 8 Warren MI SFLDMIDNDS6  340      
586-697 2 Washington MI SFLDMIDNDS6  340   2005-03-21   
586-697 3 Washington MI SFLDMIDNDS6  340   2005-03-21   
586-697 4 Washington MI SFLDMIDNDS6  340   2003-08-20   
586-723 A Mount Clemens MI SFLDMIDNDS6  340      
586-723 0 Mount Clemens MI SFLDMIDNDS6  340      
586-723 7 Mount Clemens MI SFLDMIDNDS6  340      
586-723 8 Mount Clemens MI SFLDMIDNDS6  340      
586-723 9 Mount Clemens MI SFLDMIDNDS6  340      
586-782 3 Center Line MI SFLDMIDNDS6  340   2004-12-22   
586-782 4 Center Line MI SFLDMIDNDS6  340   2003-01-12   
586-782 5 Center Line MI SFLDMIDNDS6  340   2004-12-22   
586-782 6 Center Line MI SFLDMIDNDS6  340   2004-12-22   
586-782 7 Center Line MI SFLDMIDNDS6  340   2004-11-22   
586-782 8 Center Line MI SFLDMIDNDS6  340   2004-12-22   
586-797 A Utica MI SFLDMIDNDS6  340      
586-797 0 Utica MI SFLDMIDNDS6  340      
586-797 7 Utica MI SFLDMIDNDS6  340      
586-797 8 Utica MI SFLDMIDNDS6  340      
586-797 9 Utica MI SFLDMIDNDS6  340      
586-799 A Utica MI SFLDMIDNDS6  340      
586-799 0 Utica MI SFLDMIDNDS6  340      
586-799 1 Utica MI SFLDMIDNDS6  340      
586-799 5 Utica MI SFLDMIDNDS6  340      
586-799 6 Utica MI SFLDMIDNDS6  340      
586-800 5 Roseville MI SFLDMIDNDS6  340   2020-03-07   
586-838 A Warren MI SFLDMIDNDS6  340      
586-838 1 Warren MI SFLDMIDNDS6  340      
586-838 2 Warren MI SFLDMIDNDS6  340   2005-02-04   
586-884 8 Utica MI SFLDMIDNDS6  340   2008-09-22   
586-894 A Romeo MI SFLDMIDNDS6  340      
586-894 0 Romeo MI SFLDMIDNDS6  340      
586-894 6 Romeo MI SFLDMIDNDS6  340      
586-900 3 Mount Clemens MI SFLDMIDNDS6  340   2019-05-30   

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

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.