| Place | Post Code |
|---|---|
| Ramdasa, Magadh) | 824231 |
| Rasulganj, Magadh) | 824231 |
| Rati Bigha, Magadh) | 824231 |
| Ratnara Ganga Bigha, Magadh) | 824231 |
| Ratnari, Magadh) | 824231 |
| Rohibigha, Magadh) | 824231 |
| Sabalpur, Magadh) | 824231 |
| Safi, Magadh) | 824231 |
| Sagarpur, Magadh) | 824231 |
| Sahade Khap, Magadh) | 824234 |
| Sahdew Khap, Magadh) | 824234 |
| Sahnu, Magadh) | 824231 |
| Saidpur, Magadh) | 824231 |
| Sakhwara, Magadh) | 824231 |
| Sekhwara, Magadh) | 824234 |
| Sewa Bigha, Magadh) | 824231 |
| Shantinagar, Magadh) | 824231 |
| Sharwankhas, Magadh) | 824201 |
| Shekha Bigha, Magadh) | 824231 |
| Sheorajpur, Magadh) | 824231 |