Dudhi is Taluka (Tehsil) in Sonbhadra district of Uttar Pradesh state. Dudhi has 10 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 231225 | Anpara Tps PIN Code | Sonbhadra | Dudhi | Sub Office |
| 231226 | Bagesoti PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231226 | Chachikalan PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231226 | Dhuma PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231226 | Ghiwahi PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231226 | Ghorpa PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231226 | Naudiha Mishri PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231226 | Naudiha Ramgarh PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231226 | Sherwan PIN Code | Sonbhadra | Dudhi | Branch Office |
| 231222 | Yogichaura PIN Code | Sonbhadra | Dudhi | Branch Office |