Local Calling Guide

Area code/prefix search

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OCN: 473D CMC TELECOM, INC. - MI

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
231-268 2 Cheboygan MI   348   2008-03-01   
231-670 8 Muskegon MI   348   2008-03-01   
248-243 2 Auburn Heights MI   340   2007-08-06   
248-257 6 Drayton Plains MI   340   2008-01-03   
248-264 1 South Lyon MI   340   2006-03-09   
248-287 9 Lake Orion MI   340   2008-01-03   
248-306 1 Farmington MI   340   2008-01-03   
248-369 2 Holly MI   340   2008-01-03   
248-394 4 Clarkston MI   340   2008-01-14   
248-412 8 Northville MI   340   2005-10-16   
248-429 6 Oxford MI   340   2006-03-09   
248-494 9 Pontiac MI   340   2008-01-05   
248-566 7 Birmingham MI   340   2007-12-30   
248-581 7 Royal Oak MI   340   2005-10-16   
248-659 9 Rochester MI   340   2008-01-05   
248-687 2 Troy MI   340   2006-01-14   
248-698 5 Commerce MI   340   2008-01-03   
248-793 4 Ortonville MI   340   2008-01-05   
248-862 3 West Bloomfield MI   340   2008-01-05   
248-863 5 Walled Lake MI   340   2005-11-08   
248-996 A Southfield MI SFLDMIMKDS1  340   2005-11-13   
248-996 1 Southfield MI   340   2005-11-13   
269-248 0 Marshall MI   348   2008-02-25   
269-270 0 Kalamazoo MI   348   2008-02-25   
269-408 5 St Joseph MI   348   2008-02-25   
269-757 8 Benton Harbor MI   348   2008-02-25   
313-203 8 Detroit Zone 6 MI   340   2006-03-09   
313-270 6 Detroit Zone 4 MI   340   2008-01-13   
313-281 3 Detroit Zone 3 MI   340   2008-01-13   
313-354 7 Detroit Zone 5 MI   340   2008-01-13   
313-420 1 Detroit Zone 1 MI   340   2006-03-09   
313-458 0 Detroit Zone 2 MI   340   2008-01-05   
517-213 0 Charlotte MI   346   2008-02-25   
517-219 8 Fowlerville MI   346   2008-02-25   
517-315 2 Jackson MI   346   2008-02-25   
517-376 7 Howell MI   340   2006-01-14   
517-441 8 Eaton Rapids MI   346   2008-02-25   
517-481 1 Lansing MI   346   2008-02-25   
517-709 5 Holt MI   346   2008-02-25   
517-925 0 Grand Ledge MI   346   2008-02-25   
517-955 A Dansville MI LNNGMIMNXLY  346   2007-07-06   
517-955 1 Dansville MI   346   2007-07-06   
517-969 1 Mason MI   346   2008-02-25   
517-992 2 Williamston MI   346   2008-02-25   
586-232 2 Washington MI   340   2008-01-07   
586-244 1 New Haven MI   340   2008-01-07   
586-248 0 Richmond MI   340   2008-01-07   
586-329 7 Mount Clemens MI   340   2008-01-07   
586-330 6 New Baltimore MI   340   2008-01-07   
586-331 8 Romeo MI   340   2008-01-07   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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