Ratnifaridpur is Taluka (Tehsil) in Jehanabad district of Bihar state. Ratnifaridpur has 4 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 804425 | Aiyara PIN Code | Jehanabad | Ratnifaridpur | Branch Office |
| 804429 | Noawan PIN Code | Jehanabad | Ratnifaridpur | Branch Office |
| 804425 | Sikandarpur PIN Code | Jehanabad | Ratnifaridpur | Branch Office |
| 804425 | Sisamba PIN Code | Jehanabad | Ratnifaridpur | Branch Office |