| Office name | District (Taluk) | State | Other |
|---|---|---|---|
| Babhanbara B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Balia B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Bhartpura B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Chaukihasan B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Dindayalpur B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Jalalpur B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Karanpura B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Laxmiganj Sisai B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Madhopur B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Pipra Naryan B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Ratanpura B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Saraya Sah Mohamd B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Shakara B.O | Siwan BR | Bihar | BR Muzaffarpur Delivery |
| Tarwara S.O
Telephone 06153-111111 |
Siwan BR | Bihar | BR Muzaffarpur Delivery |