Alton, IA ZIP Codes
Alton, Iowa has 1 ZIP code.
City Overview
| City | Alton |
|---|---|
| State | Iowa (IA) |
| County | Sioux |
| ZIP Codes | 1 |
| Population (ZIP total) | 1,746 |
| Timezone | America/Chicago (UTC-5) |
ZIP Codes in Alton
| ZIP Code | County | Population |
|---|---|---|
| 51003 | Sioux | 1,746 |
Population figures: US Census Bureau, 2012–2016 ACS 5-year estimates.
Map
Nearby Cities
Orange City, Iowa
(5.5 km)
Granville, Iowa
(9.8 km)
Maurice, Iowa
(12.2 km)
Hospers, Iowa
(14 km)
Sioux Center, Iowa
(17.5 km)
Oyens, Iowa
(17.9 km)
Remsen, Iowa
(18.9 km)
Le Mars, Iowa
(23.8 km)
Frequently Asked Questions
Alton, Iowa has 1 ZIP code(s): 51003. Larger cities span multiple ZIP codes covering different neighborhoods.
Alton, IA has 1 ZIP code(s).