Pincode 841503 · Gopalganj District · Bihar
| Name | Koiripatti BO |
| Type | Branch Post Office |
| Pincode | 841503 |
| Taluk | Siwan Division |
| District | |
| State | |
| Coordinates | 26.5913, 84.3115 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Branch Post Office | |
| Branch Post Office |
Gopalganj, Bihar. Map data: OpenStreetMap, CARTO.
| Gopalpur BO | Branch Post Office |
| Narahwan Sukla BO | Branch Post Office |
| Nechwajalapur SO | Post Office |
| Sanhaula BO | Branch Post Office |
| Semra Bazar BO | Branch Post Office |
| Siswa BO | Branch Post Office |
| Thakrahan BO | Branch Post Office |