ZIP Code 51640 is located in the county of Fremont in the state of Iowa. 51640 ZIP Code is spread between the coordinates of +40.6142219 Latitude and -95.65024078 Longitude. 51640 ZIP Code is part of the 712 area code. There are 0 postal offices in zip code 51640.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 51640. 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.