Roh is Taluka (Tehsil) in Nawada district of Bihar state. Roh has 7 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 805107 | Bhattagarh PIN Code | Nawada | Roh | Branch Office |
| 805107 | Kosi Nawada PIN Code | Nawada | Roh | Sub Office |
| 805107 | Kundabhalua PIN Code | Nawada | Roh | Branch Office |
| 805104 | Marue PIN Code | Nawada | Roh | Branch Office |
| 805104 | Ohari PIN Code | Nawada | Roh | Branch Office |
| 805107 | Rupau PIN Code | Nawada | Roh | Branch Office |
| 805132 | Samharigarh PIN Code | Nawada | Roh | Branch Office |