Local Calling Guide

Area code/prefix search

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

NXX: 991

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
586-991 A Utica MI UTICMIMNDS0  9323 MICHIGAN BELL TEL CO 340      
586-991 0 Utica MI   9323 MICHIGAN BELL TEL CO 340      
586-991 1 Utica MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2009-03-07   
586-991 2 Utica MI   9323 MICHIGAN BELL TEL CO 340      
586-991 3 Utica MI   543C ONVOY, LLCV - MI 340   2012-09-06   
586-991 4 Utica MI   829J PAETEC ITEL, LLC 340   2009-10-15   
586-991 5 Utica MI   318J COMCAST IP PHONE, LLC 340   2012-01-06   
586-991 6 Utica MI   318J COMCAST IP PHONE, LLC 340   2006-06-22   
586-991 7 Utica MI   318J COMCAST IP PHONE, LLC 340   2013-10-06   
586-991 8 Utica MI   046L CLEAR RATE COMMUNICATIONS, LLC 340   2009-06-04   
586-991 9 Utica MI   543C ONVOY, LLCV - MI 340   2013-01-31   

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

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