| Place | Post Code |
|---|---|
| Balisahi, Central) | 756081 |
| Baniamari, Central) | 756030 |
| Bara, Central) | 756029 |
| Baramania, Central) | 756024 |
| Barida, Central) | 756028 |
| Barmadhia, Central) | 756029 |
| Barungadia, Central) | 756029 |
| Basantapur, Central) | 756056, 756030 |
| Basingh Diha, Central) | 756080 |
| Basta, Central) | 756029 |
| Basti, Central) | 756029 |
| Basuchakurai, Central) | 756029 |
| Batirangi, Central) | 756028 |
| Baunsamukha, Central) | 756029 |
| Baunshadiha, Central) | 756029 |
| Baunsmukha, Central) | 756029 |
| Bedhakana, Central) | 756028 |
| Begunia, Central) | 756029 |
| Bela, Central) | 756029, 756030 |
| Benapura, Central) | 756030 |
| Bentapur, Central) | 756081 |
| Bentuli, Central) | 756081 |
| Bhadrasia, Central) | 756027 |
| Bhagabanpur, Central) | 756027, 756029 |
| Bhagichakurai, Central) | 756029 |
| Bhagirathipur, Central) | 756030 |
| Bhandipur, Central) | 756030 |
| Bhitar Brahtlor, Central) | 756080 |
| Bhundasahi, Central) | 756028 |
| Bidyadharpur-1, Central) | 756029 |