Hardaspur Diara BO is the primary post office registered under PIN code 848506 in Samastipur, Bihar. This code sits within the Eastern Postal Region, with 9 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Hardaspur Diara BO | BO | Branch Post Office |
| Jahingra BO | BO | Branch Post Office |
| Jalalpur BO | BO | Branch Post Office |
| Rasalpur BO | BO | Branch Post Office |
| Baghra SO Samastipur | OTHER | post office |
| Dharnipatti BO | BO | Branch Post Office |
| Madhopur BO | BO | Branch Post Office |
| Mohanpur BO | BO | Branch Post Office |
| Dumri Bindgama BO | BO | Branch Post Office |
