ZIP Code 61111 is located in the county of Winnebago in the state of Illinois. 61111 ZIP Code is spread between the coordinates of +42.3271217 Latitude and -89.01754393 Longitude. 61111 ZIP Code is part of the 815 area code. There are 0 postal offices in zip code 61111.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 61111. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.