County Winnebago is located in the state of Illinois. Winnebago is spread between the coordinates of +42.2245315 Latitude and -88.96455551 Longitude. Winnebago has 28 zip codes, 25 cities, 2 area codes and 0 post offices.
Below you will find more info about Winnebago and also zip codes, cities, area codes and the post offices that belong to this county.