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OCN: 9714 GRID 4 COMMUNICATIONS, INC. - MI

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
586-251 1 Utica MI SFLDMIDNDS5  340   2016-11-07   
586-267 9 Mount Clemens MI SFLDMIDNDS5  340   2016-11-07   
586-276 9 Warren MI SFLDMIDNDS5  340   2006-09-21   
586-350 2 Roseville MI SFLDMIDNDS5  340   2006-09-21   
586-372 3 Romeo MI SFLDMIDNDS5  340   2006-09-21   
586-459 9 Center Line MI SFLDMIDNDS5  340   2015-04-13   
586-571 1 Center Line MI SFLDMIDNDS5  340   2016-11-07   
586-619 3 Center Line MI SFLDMIDNDS5  340   2006-09-21   
586-648 5 New Baltimore MI SFLDMIDNDS5  340   2010-10-21   
586-649 6 Mount Clemens MI SFLDMIDNDS5  340   2006-09-21   
586-676 9 Mount Clemens MI SFLDMIDNDS5  340   2017-07-27   
586-843 1 Utica MI SFLDMIDNDS5  340   2014-09-21   
586-884 5 Utica MI SFLDMIDNDS5  340   2006-09-21   
734-217 3 Ypsilanti MI SFLDMIDNDS5  340   2006-09-21   
734-225 9 Wyandotte MI SFLDMIDNDS5  340   2006-09-21   
734-233 6 Plymouth MI SFLDMIDNDS5  340   2006-09-21   
734-237 5 Livonia MI SFLDMIDNDS5  340   2006-09-21   
734-239 8 Ann Arbor MI SFLDMIDNDS5  340   2006-09-21   
734-391 3 Belleville MI SFLDMIDNDS5  340   2010-11-14   
734-398 4 Wayne MI SFLDMIDNDS5  340   2006-09-21   
734-413 2 Romulus MI SFLDMIDNDS5  340   2006-09-21   
734-881 A Ann Arbor MI SFLDMIDNLMD  340      
734-881 1 Ann Arbor MI SFLDMIDNLMD  340   2015-04-18   
810-207 4 Hartland MI SFLDMIDNDS5  340   2006-09-21   
810-250 5 Flint MI SFLDMIDNDS5  340   2006-09-21   
810-354 0 Fenton MI SFLDMIDNDS5  340   2006-09-21   
810-355 7 Brighton MI SFLDMIDNDS5  340   2006-09-21   
810-479 8 Port Huron MI SFLDMIDNDS5  340   2006-09-21   
810-637 2 St Clair MI SFLDMIDNDS5  340   2010-07-21   
810-660 A Lapeer MI SFLDMIDNLMD  340      
810-660 6 Lapeer MI SFLDMIDNLMD  340   2006-09-21   
810-771 A Grand Blanc MI SFLDMIDNLMD  340      
810-771 0 Grand Blanc MI SFLDMIDNLMD  340   2006-11-17   
947-201 8 Auburn Heights MI SFLDMIDNDS5  340   2017-07-27   
947-414 8 Pontiac MI SFLDMIDNDS5  340   2017-07-27   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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