ZIP Code 46320 is located in the county of Lake in the state of Indiana. 46320 ZIP Code is spread between the coordinates of +41.6108584 Latitude and -87.50875468 Longitude. 46320 ZIP Code is part of the 219 area code. There is 1 postal office in zip code 46320.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 46320. 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.