45221 is the ZIP Code for University of Cincinnati in Cincinnati, Ohio. 45221 is entirely within Hamilton County. Regionally, 45221 is located in Metro Cincinnati. Data Updated September 15, 2024
| ZIP Code Name | Cincinnati |
| Organization | University of Cincinnati |
| Primary County | Hamilton County |
| ZIP Code Type | Unique |
| Current Time | EDT |
| Coordinates | 39.13203430,-84.51663971 |
| Adjacent ZIP Codes | |
| Region | Metro Cincinnati |
| Metropolitan/Micropolitan Stat Area | Cincinnati, OH-KY-IN |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |