ZIP Code 61011 is located in the county of Boone in the state of Illinois. 61011 ZIP Code is spread between the coordinates of +42.3592783 Latitude and -88.93112650 Longitude. 61011 ZIP Code is part of the 815 area code. There are 0 postal offices in zip code 61011.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 61011. 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.