ZIP Code 61431 is located in the county of Fulton in the state of Illinois. 61431 ZIP Code is spread between the coordinates of +40.6115614 Latitude and -90.28406782 Longitude. 61431 ZIP Code is part of the 309 area code. There is 1 postal office in zip code 61431.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 61431. 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.