Cincinnati zipcode
| City | Cincinnati |
| ZIP Code | 45204 |
| Type | Standard |
| State Code | OH |
| State | Ohio |
ZIP code of Cincinnati is 45204. This place is located in Ohio state in US. To send any postal service to Cincinnati, you must use 45204 zipcode.
The ZIP code 45204 is also used with 1 more city name of Ohio.
- Queen City, OH