This page provides a complete list of all post offices and pincodes in Bihar. You can find district-wise and area-wise postal information sourced from India Post.
| Post Office | Division | District | State | Pincode | Office Type | Delivery | Latitude | Longitude |
|---|---|---|---|---|---|---|---|---|
| Harnahiya BO | Sitamarhi Division | SHEOHAR | BIHAR | 843329 | BO | Delivery | 26.5866 | 85.2399 |
| Jahagirpur BO | Sitamarhi Division | SHEOHAR | BIHAR | 843329 | BO | Delivery | 26.5766 | 85.2299 |
| Khairwa Darp BO | Sitamarhi Division | SHEOHAR | BIHAR | 843329 | BO | Delivery | 26.5766 | 85.2299 |
| Kushahar BO | Sitamarhi Division | SHEOHAR | BIHAR | 843329 | BO | Delivery | 26.5766 | 85.2299 |
| Parrahi BO | Sitamarhi Division | SHEOHAR | BIHAR | 843329 | BO | Delivery | 26.572249 | 85.226643 |
| Phulkahan BO | Sitamarhi Division | SHEOHAR | BIHAR | 843329 | BO | Delivery | 26.577701 | 85.227709 |
| Shyampur BO | Sitamarhi Division | SHEOHAR | BIHAR | 843329 | BO | Delivery | 26.576698 | 85.228243 |
| Amghatta BO | Sitamarhi Division | SITAMARHI | BIHAR | 843302 | BO | Delivery | 26.59 | 85.47 |
| Bariyarpur BO | Sitamarhi Division | SITAMARHI | BIHAR | 843302 | BO | Delivery | 25.65 | 85.56 |
| KSiroman BO | Sitamarhi Division | SITAMARHI | BIHAR | 843302 | BO | Delivery | 26.56 | 85.52 |
| Paktola BO | Sitamarhi Division | SITAMARHI | BIHAR | 843302 | BO | Delivery | 26.56 | 85.52 |
| Punaura BO | Sitamarhi Division | SITAMARHI | BIHAR | 843302 | BO | Delivery | 26.56 | 85.52 |
| Dalkawa BO | Sitamarhi Division | SITAMARHI | BIHAR | 843330 | BO | Delivery | 26.8472607 | 85.580498 |
| Barahi BO | Sitamarhi Division | SITAMARHI | BIHAR | 843331 | BO | Delivery | 26.65405 | 85.4446 |
| Bhitha Bazar BO | Sitamarhi Division | SITAMARHI | BIHAR | 843331 | BO | Delivery | 26.3833 | 85.4446 |
| H Dularpur BO | Sitamarhi Division | SITAMARHI | BIHAR | 843331 | BO | Delivery | 17.3737 | 78.4898 |
| Bhathwa BO | Siwan Division | GOPALGANJ | BIHAR | 841441 | BO | Delivery | 26.4664 | 84.4332 |
| Rajapur BO | Siwan Division | GOPALGANJ | BIHAR | 841441 | BO | Delivery | 26.4667 | 84.4332 |
| Devapur BO | Siwan Division | GOPALGANJ | BIHAR | 841405 | BO | Delivery | 26.4059 | 84.5903 |
| Lohijara BO | Siwan Division | GOPALGANJ | BIHAR | 841405 | BO | Delivery | 26.4059 | 84.5903 |
| Nawada BO | Siwan Division | GOPALGANJ | BIHAR | 841405 | BO | Delivery | 26.4059 | 84.5903 |
| Rupanchhap BO | Siwan Division | GOPALGANJ | BIHAR | 841405 | BO | Delivery | 26.4059 | 84.5903 |
| Sareya Narendra BO | Siwan Division | GOPALGANJ | BIHAR | 841405 | BO | Delivery | 26.4059 | 84.5903 |
| Matiyari BO | Siwan Division | GOPALGANJ | BIHAR | 841426 | BO | Delivery | 26.4487 | 84.1092 |
| Sisai BO | Siwan Division | GOPALGANJ | BIHAR | 841426 | BO | Delivery | 26.2269722 | 84.8085 |
| Maheshpur BO | Siwan Division | GOPALGANJ | BIHAR | 841508 | BO | Delivery | 26.5249 | 84.4403056 |
| Dangsi BO | Siwan Division | GOPALGANJ | BIHAR | 841407 | BO | Delivery | 26.5404 | 84.4243 |
| Khajuhatti BO | Siwan Division | GOPALGANJ | BIHAR | 841447 | BO | Delivery | 26.219622 | 84.356659 |
| Mahuwa BO | Siwan Division | GOPALGANJ | BIHAR | 841407 | BO | Delivery | 26.2615 | 84.7446 |
| Mohammadpur BO | Siwan Division | GOPALGANJ | BIHAR | 841407 | BO | Delivery | 26.5404 | 84.4243 |
| Sher BO | Siwan Division | GOPALGANJ | BIHAR | 841407 | BO | Delivery | 26.5404 | 84.4234 |
| Dharamparsa BO | Siwan Division | GOPALGANJ | BIHAR | 841427 | BO | Delivery | 26.4685 | 84.4433 |
| Gausia BO | Siwan Division | GOPALGANJ | BIHAR | 841427 | BO | Delivery | 26.4685 | 84.4433 |
| Koini BO | Siwan Division | GOPALGANJ | BIHAR | 841427 | BO | Delivery | 26.4685 | 84.4433 |
| Nimuiya BO | Siwan Division | GOPALGANJ | BIHAR | 841427 | BO | Delivery | 26.4685 | 84.4433 |
| Purdiltola BO | Siwan Division | GOPALGANJ | BIHAR | 841427 | BO | Delivery | 26.2269722 | 84.8085 |
| Rachhopali BO | Siwan Division | GOPALGANJ | BIHAR | 841427 | BO | Delivery | 26.3352 | 84.3564167 |
| PBhagwanpur BO | Siwan Division | GOPALGANJ | BIHAR | 841428 | BO | Delivery | 26.569926 | 84.346317 |
| Aghaila BO | Siwan Division | SIWAN | BIHAR | 841436 | BO | Delivery | 26.275624 | 84.3029107 |
| GS Manjha BO | Siwan Division | GOPALGANJ | BIHAR | 841436 | BO | Non Delivery | 26.3678 | 84.2547 |
| Kusaundhi BO | Siwan Division | GOPALGANJ | BIHAR | 841436 | BO | Delivery | 26.353984 | 84.297494 |
| Machhagar BO | Siwan Division | GOPALGANJ | BIHAR | 841436 | BO | Delivery | 26.353984 | 84.297494 |
| Semraon BO | Siwan Division | GOPALGANJ | BIHAR | 841436 | BO | Delivery | 26.353984 | 84.297494 |
| Sohagpur BO | Siwan Division | GOPALGANJ | BIHAR | 841436 | BO | Delivery | 26.2269722 | 84.8085 |
| Belhi Khas BO | Siwan Division | GOPALGANJ | BIHAR | 841437 | BO | Delivery | 26.5631 | 84.0796 |
| Bhagipatti Jhul BO | Siwan Division | GOPALGANJ | BIHAR | 841437 | BO | Delivery | 26.5631 | 84.0796 |
| Baleshra BO | Siwan Division | GOPALGANJ | BIHAR | 841438 | BO | Delivery | 26.3696 | 84.3358 |
| Jignamath BO | Siwan Division | GOPALGANJ | BIHAR | 841438 | BO | Delivery | 26.3696 | 84.3358 |
| KK Kararia BO | Siwan Division | GOPALGANJ | BIHAR | 841438 | BO | Delivery | 26.3696 | 84.3358 |
| Dhebwa BO | Siwan Division | GOPALGANJ | BIHAR | 841503 | BO | Delivery | 26.5913 | 84.3115 |