zip code 51003 is a zipcode of Alton, Iowa state, usa. zip code of Alton and its population information along with its latitude and longitude coordinates.
ZIP Code 51003
- Zip Code
- 51003
- City
- Alton
- County
- Sioux
- State
- Iowa
- Latitude
- 42.988961
- Longitude
- -95.993834
- Population
- 1700