Dharhni SO is the primary post office registered under PIN code 232336 in Ghazipur, Uttar Pradesh. This code sits within the Northern Postal Region, with 6 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Dharhni SO | SO | Sub Post Office |
| Andharipur Sonwal BO | BO | Branch Post Office |
| Bhuwalchak BO | BO | Branch Post Office |
| SONHARIYA BO | BO | Branch Post Office |
| Bhagirathpur BO | BO | Branch Post Office |
| Asaon BO | BO | Branch Post Office |
