Cincinnati zipcode
| City | Cincinnati |
| ZIP Code | 45251 |
| Type | Standard |
| State Code | OH |
| State | Ohio |
ZIP code of Cincinnati is 45251. This place is located in Ohio state in US. To send any postal service to Cincinnati, you must use 45251 zipcode.
The ZIP code 45251 is also used with 3 more city names of Ohio.
- Colerain Township, OH
- Colerain Twp, OH
- Groesbeck, OH