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: SFLDMIDNDS6

<< 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
586-630 4 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-18   
586-630 5 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-11-22   
586-646 2 New Haven MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-12-17   
586-646 4 New Haven MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-02-07   
586-648 A New Baltimore MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-648 1 New Baltimore MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-02-11   
586-649 3 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-18   
586-649 9 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-666 5 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2019-05-02   
586-666 7 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2019-05-02   
586-666 9 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2019-05-02   
586-684 4 New Baltimore MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2011-12-25   
586-690 4 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2010-12-10   
586-690 6 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2012-01-22   
586-693 A Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 0 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 1 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 2 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 3 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 4 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 6 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 7 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-693 8 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-697 2 Washington MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-21   
586-697 3 Washington MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-21   
586-697 4 Washington MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2003-08-20   
586-723 A Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-723 0 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-723 7 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-723 8 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-723 9 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-782 3 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-12-22   
586-782 4 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2003-01-12   
586-782 5 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-12-22   
586-782 6 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-12-22   
586-782 7 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-11-22   
586-782 8 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-12-22   
586-797 A Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-797 0 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-797 7 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-797 8 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-797 9 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-799 A Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-799 0 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-799 1 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-799 5 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-799 6 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-800 5 Roseville MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-03-07   
586-838 A Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-838 1 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      

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

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.