ZIP Code 46403 is located in the county of Lake in the state of Indiana. 46403 ZIP Code is spread between the coordinates of +41.6053317 Latitude and -87.25906820 Longitude. 46403 ZIP Code is part of the 219 area code. There are 0 postal offices in zip code 46403.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 46403. 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.