| Place | Post Code |
|---|---|
| Terua, Saran) | 841420 |
| Usri, Saran) | 841407, 841409 |
| Usri Bazar, Saran) | 841407 |
| Usri Mahal Munja, Saran) | 841420 |
| Usri Paharpur, Saran) | 841420 |
| Uttar Tola, Saran) | 841407 |
| Postal Codes in Gopalganj | |
|---|---|
| Baikunthpur | |
| Barauli | |
| Bhorey | |
| Bijaipur | |
| Gopalganj | |
| Hathua | |
| Katiya | |
| Kuchaikote | |
| Manjha | |
| Pach Deuri | |
| Phulwaria | |
| Sidhwalia | |
| Thawe | |
| Uchkagaon | |