Mainpur BO is the primary post office registered under PIN code 233224 in Ghazipur, Uttar Pradesh. This code sits within the Northern Postal Region, with 5 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Mainpur BO | BO | Branch Post Office |
| Sikandarpur BO | BO | Branch Post Office |
| Lilapur BO | BO | Branch Post Office |
| Karanda SO | SO | Sub Post Office |
| Chochakpur BO | BO | Branch Post Office |
