ZIP Code 45812 is located in the county of Hardin in the state of Ohio. 45812 ZIP Code is spread between the coordinates of +40.7031777 Latitude and -83.83077147 Longitude. 45812 ZIP Code is part of the 419 area code. There is 1 postal office in zip code 45812.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 45812. 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.