Duff, Indiana  | |
|---|---|
| Coordinates: 38°19′38″N87°01′35″W / 38.32722°N 87.02639°W | |
| Country | United States | 
| State | Indiana | 
| County | Dubois | 
| Township | Patoka | 
| Elevation | 466 ft (142 m) | 
| Time zone | UTC-5 (Eastern (EST)) | 
| • Summer (DST) | UTC-4 (EDT) | 
| ZIP code | 47542  | 
| Area codes | 812, 930 | 
| FIPS code | 18-18874 [2] | 
| GNIS feature ID | 433754 [1] | 
Duff is an unincorporated community in Patoka Township, Dubois County, in the U.S. state of Indiana. [1]
Duff was platted in 1883 by Robert Small. It was likely named for Col. B. B. Edmonston, who had the nickname "Colonel Duff". [3]
A post office was established at Duff in 1868, and remained in operation until it was discontinued in 1955. [4]