ZIP Code 51010
Castana · Monona, Iowa
51010 is the ZIP code of Castana in Monona, Iowa, United States.
- ZIP Code
- 51010
- County
- Monona
- State
- Iowa
- Country
- United States
Place with ZIP code 51010
| Place | County | Location |
|---|---|---|
| Castana | Monona | 42.074, -95.909 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 51010?
Castana.
Which county and state is 51010 in?
Monona, Iowa, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.