Alton zip code
Zip code in Alton, IA
The location Alton belongs to Sioux County, state of Iowa. Alton has been assigned with the zip code 51003.
Alton is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 51003 | STANDARD | 1,640 |
Featured zip codes
Ames zip code
Ankeny zip code
Baltimore zip code
Bettendorf zip code
Cedar Falls zip code
Cedar Rapids zip code
Chicago zip code
Council Bluffs zip code
Davenport zip code
Denver zip code
Des Moines zip code
Dubuque zip code
Fort Worth zip code
Indianapolis zip code
Iowa City zip code
Las Vegas zip code
Los Angeles zip code
Marion zip code
Milwaukee zip code
New York zip code
Oklahoma City zip code
Phoenix zip code
San Diego zip code
San Francisco zip code
San Jose zip code
Seattle zip code
Sioux City zip code
Urbandale zip code
Waterloo zip code
West Des Moines zip code
