45999 is the ZIP Code for The Internal Revenue Service in Cincinnati, Kentucky. 45999 is entirely within Kenton County. Regionally, 45999 is located in Metro Cincinnati. Data Updated September 15, 2024
| ZIP Code Name | Cincinnati |
| Organization | The Internal Revenue Service |
| Primary County | Kenton County |
| ZIP Code Type | Unique |
| Current Time | EDT |
| Coordinates | 39.08692551,-84.51430511 |
| Adjacent ZIP Codes | |
| Region | Metro Cincinnati |
| Metropolitan/Micropolitan Stat Area | Cincinnati, OH-KY-IN |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |