Postal Code for Onawa, Iowa
The postal code for Onawa, Iowa, United States is 51040. With map location and coordinates.
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The postal code for Onawa, Iowa, United States is 51040:
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 51040 | Onawa | Monona | 42.037, -96.107 |
Frequently asked questions
What is the postal code of Onawa?
The postal code of Onawa is 51040.
Why does Onawa have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.