Onawa, IA ZIP Codes
Onawa, Iowa has 1 ZIP code.
City Overview
| City | Onawa |
|---|---|
| State | Iowa (IA) |
| County | Monona |
| ZIP Codes | 1 |
| Population (ZIP total) | 3,531 |
| Timezone | America/Chicago (UTC-5) |
ZIP Codes in Onawa
| ZIP Code | County | Population |
|---|---|---|
| 51040 | Monona | 3,531 |
Population figures: US Census Bureau, 2012–2016 ACS 5-year estimates.
Map
Nearby Cities
Blencoe, Iowa
(12.8 km)
Decatur, Nebraska
(13.4 km)
Whiting, Iowa
(14.2 km)
Castana, Iowa
(16.9 km)
Rodney, Iowa
(20.9 km)
Macy, Nebraska
(22.6 km)
Sloan, Iowa
(25 km)
Smithland, Iowa
(26.2 km)
Frequently Asked Questions
Onawa, Iowa has 1 ZIP code(s): 51040. Larger cities span multiple ZIP codes covering different neighborhoods.
Onawa, IA has 1 ZIP code(s).