Region
Midwest Area Codes
Big metros like Chicago, Detroit and Minneapolis use overlays, while the Great Plains states still hold a single statewide code. The Midwest covers 12 states and 77 area codes.
Full breakdown
Midwest states & their codes
| State | Codes | Area codes |
|---|---|---|
| Illinois | 13 | 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847, 872 |
| Indiana | 8 | 219, 260, 317, 463, 574, 765, 812, 930 |
| Iowa | 5 | 319, 515, 563, 641, 712 |
| Kansas | 4 | 316, 620, 785, 913 |
| Michigan | 12 | 231, 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989 |
| Minnesota | 7 | 218, 320, 507, 612, 651, 763, 952 |
| Missouri | 6 | 314, 417, 573, 636, 660, 816 |
| Nebraska | 3 | 308, 402, 531 |
| North Dakota | 1 | 701 |
| Ohio | 11 | 216, 220, 234, 330, 419, 440, 513, 567, 614, 740, 937 |
| South Dakota | 1 | 605 |
| Wisconsin | 6 | 262, 414, 534, 608, 715, 920 |
About area codes in the Midwest
Big metros like Chicago, Detroit and Minneapolis use overlays, while the Great Plains states still hold a single statewide code. Across the region's 12 states, the directory tracks 77 active area codes. The heaviest concentrations are in Illinois, Michigan, and Ohio, where large metros run overlays to keep up with demand.
At the other end, 2 states in the region still get by on a single area code, where seven-digit local dialing may persist. For the rules behind these changes, see how area codes work and 10-digit dialing.
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