About ZIP code 52321
The ZIP code 52321 routes mail to Onslow in the Iowa region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
52321 - Onslow
ZIP code 52321 is Onslow in Iowa, United States.
| ZIP code | 52321 |
| Place | Onslow |
| Region | Iowa |
| District | Jones |
| Country | United States (US) |
| Coordinates | 42.107, -91.0151 (map) |