| Place | Post Code |
|---|---|
| Jadurampur, Saran) | 841221 |
| Jaduwa Chak, Saran) | 841221 |
| Jagdish, Saran) | 841221 |
| Jagdishpur, Saran) | 841207 |
| Jaitipur, Saran) | 841207 |
| Jalalpur, Saran) | 841207, 841221 |
| Jamira, Saran) | 841219 |
| Jgadish Pur, Saran) | 841221 |
| Jitwarpur, Saran) | 841222 |
| Joga Chak, Saran) | 841221 |
| Kakarahat, Saran) | 841222 |
| Kakrahat, Saran) | 841222 |
| Kamalpur, Saran) | 841225 |
| Karam Chak, Saran) | 841219 |
| Kewatia, Saran) | 841221 |
| Kewatiya, Saran) | 841221 |
| Kewtiya Gachhi, Saran) | 841221 |
| Kewtiya School, Saran) | 841221 |
| Khajauta, Saran) | 841207 |
| Khajuhta, Saran) | 841207 |
| Khirikiya, Saran) | 841222 |
| Khirkia, Saran) | 841222 |
| Khojauli, Saran) | 841219 |
| Kishun Das, Saran) | 841221 |
| Kochwara, Saran) | 841221 |
| Koila, Saran) | 841221 |
| Konhwa, Saran) | 841219 |
| Kothia, Saran) | 841221 |
| Kothiya, Saran) | 841222 |
| Kuch Diyara, Saran) | 841221 |