Local Calling Guide

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NPA: 586 [Rate centres in NPA 586] [Dial plan for NPA 586]

NXX: 501

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-501 A Center Line MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
586-501 0 Center Line MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-501 1 Center Line MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
586-501 2 Center Line MI ANARMIMNDS2  3535 ACD TELECOM, INC. - MI 340   2005-07-23   
586-501 3 Center Line MI SFLDMIDICA0  2550 123.NET, LLC 340   2005-09-04   
586-501 4 Center Line MI SFLDMIOL1MD  4044 GLOBAL CROSSING TELEMANAGEMENT, INC. - MI 340      
586-501 5 Center Line MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
586-501 6 Center Line MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
586-501 7 Center Line MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
586-501 8 Center Line MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2012-12-29   
586-501 9 Center Line MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      

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

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