| Place | Post Code |
|---|---|
| Rafiganj, Magadh) | 824125 |
| Raikhap, Magadh) | 824112 |
| Raksani, Magadh) | 824112 |
| Ramdiha, Magadh) | 824112 |
| Rampur, Magadh) | 824112 |
| Rarhua, Magadh) | 824112 |
| Rasulpur, Magadh) | 824112 |
| Ratanpura, Magadh) | 824124 |
| Ratnaur, Magadh) | 824121 |
| Rendia, Magadh) | 824112 |
| Riur, Magadh) | 824112 |
| Saduri Karma, Magadh) | 824112 |
| Sahaspur, Magadh) | 824112 |
| Saidabad, Magadh) | 824124 |
| Salempur, Magadh) | 824124 |
| Santhua, Magadh) | 824102 |
| Saranga, Magadh) | 824112 |
| Sarpata, Magadh) | 824121 |
| Satuhai, Magadh) | 824112 |
| Shahpur, Magadh) | 824102 |
| Shekhpura, Magadh) | 824112 |
| Shivnathpur, Magadh) | 824121 |
| Shohda Keshopur, Magadh) | 824112 |
| Simra Kalan, Magadh) | 824303 |
| Sinduriya, Magadh) | 824112 |
| Sinuriya, Magadh) | 824112 |
| Siripur, Magadh) | 824125 |
| Siris, Magadh) | 824112 |
| Sirpal Chak, Magadh) | 824112 |
| Sitaunja, Magadh) | 824112 |