| Place | Post Code |
|---|---|
| Ahiapur, Saran) | 841420, 841407 |
| Ahiyapur, Saran) | 841420 |
| Ajbi Nagar, Saran) | 841416 |
| Alapur, Saran) | 841420 |
| Bahrampur, Saran) | 841407 |
| Baikunthpur, Saran) | 841409 |
| Bakhri, Saran) | 841407 |
| Balha, Saran) | 841420 |
| Bamo, Saran) | 841407 |
| Bamon, Saran) | 841409 |
| Banaura, Saran) | 841407 |
| Bangra, Saran) | 841420 |
| Bangra Pansala, Saran) | 841420 |
| Banhauli Banaura, Saran) | 841409 |
| Bankat, Saran) | 841409 |
| Bankati, Saran) | 841409 |
| Bansghat Masuaria, Saran) | 841409 |
| Bardhauli, Saran) | 841407 |
| Barhampur, Saran) | 841409 |
| Basaha, Saran) | 841420 |
| Basant Chhapra, Saran) | 841407 |
| Bash Ghat, Saran) | 841407 |
| Betawra, Saran) | 841420 |
| Bhagwanpur, Saran) | 841409 |
| Bhikhampur, Saran) | 841407 |
| Bhilarpur, Saran) | 841409 |
| Bhimpurwa, Saran) | 841409 |
| Bibipur, Saran) | 841420 |
| Bilarpur, Saran) | 841407, 841409 |
| Bistaul, Saran) | 841409 |
| Postal Codes in Gopalganj | |
|---|---|
| Baikunthpur | |
| Barauli | |
| Bhorey | |
| Bijaipur | |
| Gopalganj | |
| Hathua | |
| Katiya | |
| Kuchaikote | |
| Manjha | |
| Pach Deuri | |
| Phulwaria | |
| Sidhwalia | |
| Thawe | |
| Uchkagaon | |