Tribeniganj is Taluka (Tehsil) in Supaul district of Bihar state. Tribeniganj has 18 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 852214 | B Fulkaha PIN Code | Supaul | Tribeniganj | Branch Office |
| 852139 | Baljora PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Bishanpur PIN Code | Supaul | Tribeniganj | Branch Office |
| 852139 | Chouraha PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Govinpur PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Guria PIN Code | Supaul | Tribeniganj | Branch Office |
| 852139 | Jaraila PIN Code | Supaul | Tribeniganj | Branch Office |
| 852139 | Karibiahi PIN Code | Supaul | Tribeniganj | Branch Office |
| 852139 | Kumiahi PIN Code | Supaul | Tribeniganj | Branch Office |
| 852139 | Latauna PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Mahulia PIN Code | Supaul | Tribeniganj | Branch Office |
| 852139 | Malhanwa PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Manganj PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Manganj Bazar PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | P Prayag PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Persa Garhi PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Raghunathpur PIN Code | Supaul | Tribeniganj | Branch Office |
| 852214 | Tamua PIN Code | Supaul | Tribeniganj | Branch Office |