North Central

I-CAR Regions Mapnortheast southeast northcentral northwest northwest northwest southcentral southwest southwest southwest southwest southwest northwest southeast
 
 Illinois
0601 Chicago / West Suburbs IL
0602 North Chicagoland Suburbs IL
0604 South Chicagoland Suburbs IL
0611 Rockford IL
0615 Central Illinois IL
0629 Southern IL IL
 Indiana
0460 Indianapolis IN
0463 Northwest Indiana IN
0465 Northeast Indiana IN
0477 Southern Indiana IN
 Michigan
0481 Southeast Michigan MI
0488 Central Michigan MI
0491 Southwest Michigan MI
0498 Northern Michigan MI
 Ohio
0432 Columbus OH
0436 Ohio Northwest OH
0440 Ohio Northeast OH
0452 Ohio Southwest OH
0454 Ohio West OH
 Wisconsin
0530 Fox Valley WI
0532 Milwaukee WI
0537 Madison WI
0544 WI North Central WI
0547 Wisconsin Northwest WI