Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
586-501 4 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-501 5 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
586-501 6 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
586-501 7 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-501 9 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-510 A Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-510 1 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-510 2 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-510 3 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-510 7 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-510 9 Center Line MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-522 4 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2013-10-31   
586-540 A Romeo MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-540 1 Romeo MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-554 2 Warren MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2013-06-23   
586-580 4 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2003-01-12   
586-580 7 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-11-22   
586-580 8 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-09-12   
586-580 9 Utica MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-09-12   
586-623 A Romeo MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-623 4 Romeo MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-623 5 Romeo MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-04-16   
586-623 6 Romeo MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-04-16   
586-625 A Armada MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-625 5 Armada MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2014-08-17   
586-630 3 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-18   
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 A Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-649 3 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-03-18   
586-649 4 Mount Clemens MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
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      

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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