Gaudarh Rudranagar SO is the primary post office registered under PIN code 802183 in Bhojpur, Bihar. This code sits within the Eastern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Gaudarh Rudranagar SO | SO | Sub Post Office |
| Banahi BO | BO | Branch Post Office |
| Kamariaon BO | BO | Branch Post Office |
| Mahuaon BO | BO | Branch Post Office |
| Osain BO | BO | Branch Post Office |
| Bankat Sikaria BO | BO | Branch Post Office |
