About ZIP code 66521
The ZIP code 66521 routes mail to Onaga in the Kansas 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
66521 - Onaga
ZIP code 66521 is Onaga in Kansas, United States.
| ZIP code | 66521 |
| Place | Onaga |
| Region | Kansas |
| District | Pottawatomie |
| Country | United States (US) |
| Coordinates | 39.4889, -96.17 (map) |