| Area Code | 859 |
| State | Kentucky |
| Current Time in Area Code 859 | 859> EDT |
| Timezone | Eastern Daylight Time |
| Regional Market Area | Lexington Area Metro Cincinnati Metro Louisville |
| Metro Area(s) | Cincinnati, OH-KY-IN Lexington-Fayette, KY Richmond-Berea, KY |
| Population (2020) | 1135318 |
| Adjacent Area Codes | 270,283,364,502,513,606,812,930 |
| Covington |
| Florence |
| Lexington-Fayette |
| Nicholasville |
| Richmond |