Helena zipcode
| City | Helena |
| ZIP Code | 59620 |
| Type | PO Box |
| State Code | MT |
| State | Montana |
ZIP code of Helena is 59620. This place is located in Montana state in US. To send any postal service to Helena, you must use 59620 zipcode.
You should avoid following 1 city name of Montana to be used with the ZIP code 59620.
- State Of Montana, MT