County Calhoun is located in the state of Michigan. Calhoun is spread between the coordinates of +42.1016282 Latitude and -85.22869734 Longitude. Calhoun has 16 zip codes, 29 cities, 2 area codes and 17 post offices.
Below you will find more info about Calhoun and also zip codes, cities, area codes and the post offices that belong to this county.