ZIP Code 83403
Idaho Falls · Bonneville, Idaho
83403 is the ZIP code of Idaho Falls in Bonneville, Idaho, United States.
- ZIP Code
- 83403
- County
- Bonneville
- State
- Idaho
- Country
- United States
Place with ZIP code 83403
| Place | County | Location |
|---|---|---|
| Idaho Falls | Bonneville | 43.467, -112.034 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 83403?
Idaho Falls.
Which county and state is 83403 in?
Bonneville, Idaho, 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.