PinCode: 851117, Refinery Township Post Office, Begusarai, Begusarai, Bihar
| Post Office | Refinery Township |
| Post Office Status | Sub Post Office (Delivery) |
| PinCode | 851117
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| Telephone | 06243-242842 |
| Town/Taluk | Begusarai |
| District | Begusarai |
| State | Bihar |
| Postal Division | Begusarai |
| Postal Region | Muzaffarpur |
| Postal Circle | Bihar |
List of Other Post Offices in Begusarai, Begusarai, Bihar