Barheya BO is the primary post office registered under PIN code 841228 in Siwan, Bihar. This code sits within the Eastern Postal Region, with 16 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Barheya BO | BO | Branch Post Office |
| Chakra BO | BO | Branch Post Office |
| Dhanauti BO | BO | Branch Post Office |
| Amlori BO | BO | Branch Post Office |
| Markan BO | BO | Branch Post Office |
| Pratappur BO | BO | Branch Post Office |
| Station Road | OTHER | post office |
| Habibnagar BO | BO | Branch Post Office |
| Hardia BO | BO | Branch Post Office |
| Jain BO | BO | Branch Post Office |
| Tarwa BO | BO | Branch Post Office |
| Tetaria BO | BO | Branch Post Office |
| Bhantapokhar BO | BO | Branch Post Office |
| Sarsar BO | BO | Branch Post Office |
| Barakagaon BO | BO | Branch Post Office |
| Chhapia Buzurg BO | BO | Branch Post Office |
