Fairfield zipcode
| City | Fairfield |
| ZIP Code | 45018 |
| Type | PO Box |
| State Code | OH |
| State | Ohio |
ZIP code of Fairfield is 45018. This place is located in Ohio state in US. To send any postal service to Fairfield, you must use 45018 zipcode.
The ZIP code 45018 is also used with 1 more city name of Ohio.
- Hamilton, OH