ZIP Code 40921 is located in the county of Knox in the state of Kentucky. 40921 ZIP Code is spread between the coordinates of +36.7779109 Latitude and -83.90873769 Longitude. 40921 ZIP Code is part of the 606 area code. There are 0 postal offices in zip code 40921.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 40921. 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.