Siyawak BO is the primary post office registered under PIN code 802219 in Rohtas, Bihar. This code sits within the Eastern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Siyawak BO | BO | Branch Post Office |
| Rajpur SO Rohtas | OTHER | post office |
| Bishunpur BO | BO | Branch Post Office |
| Sokhara BO | BO | Branch Post Office |
| Bisheni Kala BO | BO | Branch Post Office |
| Rajandih BO | BO | Branch Post Office |
| Suara BO | BO | Branch Post Office |
