231 |
MI |
Eastern Time Zone |
W Michigan: Northwestern portion of lower Peninsula; Traverse City, Muskegon, Cheboyhan
|
248 |
MI |
Eastern Time Zone |
Michigan: Oakland County (split from 810; see overlay 947)
|
269 |
MI |
Eastern Time Zone |
SW Michigan: Kalamazoo, Saugatuck, Hastings, Battle Creek, Sturgis to Lake Michigan (split from 616)
|
278 |
MI |
Eastern Time Zone |
Michigan (overlaid on 734, SUSPENDED)
|
313 |
MI |
Eastern Time Zone |
Michigan: Detroit and suburbs (see 734)
|
517 |
MI |
Eastern Time Zone |
Cent. Michigan: Lansing (see split 989)
|
546 |
MI |
Eastern Time Zone |
E Michigan: Flint, Pontiac (overlaid on 810, perm 9/22/01; see also 248)
|
586 |
MI |
Eastern Time Zone |
Michigan: Macomb County (split from 810; perm 9/22/01, mand 3/23/02)
|
616 |
MI |
Eastern Time Zone |
W Michigan: Holland, Grand Haven, Greenville, Grand Rapids, Ionia (see split 269)
|
679 |
MI |
Eastern Time Zone/Central Time Zone |
(Region unknown; perm 2/3/01)
|
734 |
MI |
Eastern Time Zone |
SE Michigan: west and south of Detroit -- Ann Arbor, Monroe (split from 313)
|
810 |
MI |
Eastern Time Zone |
E Michigan: Flint, Pontiac (see 248; overlay 546, split 586)
|
906 |
MI |
Eastern Time Zone |
Upper Peninsula Michigan: Sault Ste. Marie, Escanaba, Marquette
|
947 |
MI |
Eastern Time Zone/Central Time Zone |
Michigan: Oakland County (overlays 248, perm 5/5/01)
|
989 |
MI |
Eastern Time Zone |
Upper central Michigan: Mt Pleasant, Saginaw (split from 517; perm 4/7/01)
|