| Place | Post Code |
|---|---|
| Bhandeswarbindha, Central) | 756003 |
| Bharsuan, Central) | 756044 |
| Bhaskarganj, Central) | 756001 |
| Bhatapincha, Central) | 756027 |
| Bhimpur, Central) | 756021 |
| Bhimpur Pahi, Central) | 756021 |
| Bhuinagar, Central) | 756002 |
| Bhuinpadai, Central) | 756060 |
| Bhunyanisahi, Central) | 756027 |
| Bhuyan Sahi, Central) | 756027 |
| Bijaynagar, Central) | 756056 |
| Bijuli Sahi, Central) | 756027 |
| Bikram Kasba, Central) | 756021 |
| Bilaparia, Central) | 756056 |
| Biotechayur, Central) | 756060 |
| Biruhan, Central) | 756060 |
| Biseikhunta, Central) | 756003 |
| Bishnunagar, Central) | 756056 |
| Biswanathpue Sasan, Central) | 756021 |
| Boita, Central) | 756043 |
| Brahmada, Central) | 756027 |
| Brahmaria, Central) | 756019 |
| Brundabatibihar, Central) | 756056 |
| Buanl, Central) | 756027 |
| Buanla, Central) | 756027 |
| Budhiameri, Central) | 756027 |
| Budhigadia, Central) | 756025 |
| Chada Chadia, Central) | 756045 |
| Chahat, Central) | 756019 |
| Chak Chhanua, Central) | 756027 |