ZIP Code 83428 – Irwin, Idaho
The 83428 ZIP Code belongs to Irwin, Idaho. The population in this 83428 ZIP code is 589. The latitude is 43.3833 and longitude is -111.16093 in 83428 Irwin, Idaho. The time zone for this 83428 ZIP code is America/Boise.
| City | Irwin |
| Zip Code | 83428 |
| State | Idaho |
| County | Bonneville |
| Population | 589 |
| Latitude | 43.3833 |
| Longitude | -111.16093 |
| Time Zone | America/Boise |