ZIP Code 61436 is located in the county of Knox in the state of Illinois. 61436 ZIP Code is spread between the coordinates of +40.8560954 Latitude and -90.22590600 Longitude. 61436 ZIP Code is part of the 309 area code. There are 0 postal offices in zip code 61436.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 61436. 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.