Local Calling Guide

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

NXX: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-204 A Roseville MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
586-204 0 Roseville MI   543C ONVOY, LLCV - MI 340   2016-01-04   
586-204 1 Roseville MI   543C ONVOY, LLCV - MI 340   2016-01-04   
586-204 2 Roseville MI   543C ONVOY, LLCV - MI 340   2015-07-30   
586-204 3 Roseville MI   318J COMCAST IP PHONE, LLC 340   2015-07-27   
586-204 4 Roseville MI   543C ONVOY, LLCV - MI 340   2015-07-30   
586-204 5 Roseville MI   318J COMCAST IP PHONE, LLC 340   2015-04-02   
586-204 6 Roseville MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2016-07-18   
586-204 7 Roseville MI   318J COMCAST IP PHONE, LLC 340   2015-10-25   
586-204 8 Roseville MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2016-08-18   
586-204 9 Roseville MI   516C AT&T CORP. 340   2016-08-08   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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