Budhua BO is the primary post office registered under PIN code 821311 in Rohtas, Bihar. This code sits within the Eastern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Budhua BO | BO | Branch Post Office |
| Rohtas SO | SO | Sub Post Office |
| Baknaura BO | BO | Branch Post Office |
| Kushdihra BO | BO | Branch Post Office |
| Kaurari BO | BO | Branch Post Office |
