22 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 813102 | Rajpur Bo | – |
| 847451 | Kunauali Bazar So, Dagmara, Kamalpur and 2 more | – |
| 847452 | Nirmali So, Barhara, Belha and 11 more | – |
| 852105 | Bhaptiyahi Bazar So, Andouli Bo, Baltharwa Bo and 10 more | – |
| 852108 | Amha Bo, Hatwaria Bo, Herdi Bo and 2 more | – |
| 852109 | Ganpatganj So Supaul, Achalpur Bo, Devipur Bo and 4 more | – |
| 852110 | Garh Baruari So, Barail Bo, Ekma Bo and 5 more | – |
| 852111 | Jia Ram Raghopur So, Finglas Bo, Haripur Bo and 8 more | – |
| 852125 | Pratapganj So Supaul, Bhawanipur Patni Bo, Chilauni Bo and 7 more | – |
| 852130 | Sukhpur So, Bakaur Bo, Balha Bo and 7 more | – |
| 852131 | Supaul Ho | – |
| 852133 | Janardanpur So, Baskhora Bo, Ganaura Bo and 4 more | – |
| 852134 | Supaul Bazar, Babhani Bhelwa, Basaha and 22 more | – |
| 852137 | Surpatganj So, Chunnimal Bo, Daharia Bo and 10 more | – |
| 852138 | Tharbitta So, Abhuar Bo, Bauraha Bo and 8 more | – |
| 852139 | Triveniganj So, Babhangama Bo, Baghla Bo and 13 more | – |
| 852214 | Jadia So, Bfulkaha Bo, Bishanpur Bo and 12 more | – |
| 852215 | Karjain Bazar So, Baisa Bo, Baisi Bo and 12 more | – |
| 852218 | Pipra Bazar So, Amha Bo, Bheropatti Bo and 9 more | – |
| 854338 | Bhimnagar Bairrage So, Saheban Bo | – |
| 854339 | Balua Bazar So, Balbhadrapur Bo, Bhimpur Bo and 4 more | – |
| 854340 | Birpur So Supaul, Banailipatti Bo, Basantpur Bo | – |
Bank branches and IFSC codes in Supaul district 18 banks, 33 branches in the branch list. Listed by district, not by PIN code.
