Rajnagar is Taluka (Tehsil) in South Tripura district of Tripura state. Rajnagar has 3 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 799157 | Baldakhal PIN Code | South Tripura | Rajnagar | Branch Office |
| 799150 | Kasari PIN Code | South Tripura | Rajnagar | Branch Office |
| 799150 | Rajnagar South Tripura PIN Code | South Tripura | Rajnagar | Sub Office |