Nirmali is Taluka (Tehsil) in Supaul district of Bihar state. Nirmali has 15 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 847452 | Barhara PIN Code | Supaul | Nirmali | Branch Office |
| 847452 | Belhi PIN Code | Supaul | Nirmali | Branch Office |
| 847451 | Dagmara PIN Code | Supaul | Nirmali | Branch Office |
| 847408 | Ganaura PIN Code | Supaul | Nirmali | Branch Office |
| 847452 | Hariyahi PIN Code | Supaul | Nirmali | Branch Office |
| 847408 | Janardanpur PIN Code | Supaul | Nirmali | Branch Office |
| 847408 | Kamrail PIN Code | Supaul | Nirmali | Branch Office |
| 847408 | Khorma PIN Code | Supaul | Nirmali | Branch Office |
| 847451 | Kunauli Bazar PIN Code | Supaul | Nirmali | Sub Office |
| 847452 | Manoharpatti PIN Code | Supaul | Nirmali | Branch Office |
| 847408 | Marauna PIN Code | Supaul | Nirmali | Branch Office |
| 847452 | Mauahi PIN Code | Supaul | Nirmali | Branch Office |
| 847452 | Nirmali Supaul PIN Code | Supaul | Nirmali | Sub Office |
| 847452 | Parikonch PIN Code | Supaul | Nirmali | Branch Office |
| 847452 | Sarojabela PIN Code | Supaul | Nirmali | Branch Office |