Fairfield zipcode
| City | Fairfield |
| ZIP Code | 59436 |
| Type | Standard |
| State Code | MT |
| State | Montana |
ZIP code of Fairfield is 59436. This place is located in Montana state in US. To send any postal service to Fairfield, you must use 59436 zipcode.
You should avoid following 1 city name of Montana to be used with the ZIP code 59436.
- Golden Ridge, MT