ZIP Code 51640
Hamburg · Fremont, Iowa
51640 is the ZIP code of Hamburg in Fremont, Iowa, United States.
- ZIP Code
- 51640
- County
- Fremont
- State
- Iowa
- Country
- United States
Place with ZIP code 51640
| Place | County | Location |
|---|---|---|
| Hamburg | Fremont | 40.615, -95.626 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 51640?
Hamburg.
Which county and state is 51640 in?
Fremont, 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.