ZIP Code 59623
Helena · Lewis and Clark, Montana
59623 is the ZIP code of Helena in Lewis and Clark, Montana, United States.
- ZIP Code
- 59623
- County
- Lewis and Clark
- State
- Montana
- Country
- United States
Place with ZIP code 59623
| Place | County | Location |
|---|---|---|
| Helena | Lewis and Clark | 46.590, -112.040 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 59623?
Helena.
Which county and state is 59623 in?
Lewis and Clark, Montana, 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.