ZIP Code 61439 is located in the county of Knox in the state of Illinois. 61439 ZIP Code is spread between the coordinates of +41.0249405 Latitude and -90.35483220 Longitude. 61439 ZIP Code is part of the 309 area code. There are 0 postal offices in zip code 61439.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 61439. 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.