Hasan Bazar SO is the primary post office registered under PIN code 802204 in Bhojpur, Bihar. This code sits within the Eastern Postal Region, with 10 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Hasan Bazar SO | SO | Sub Post Office |
| Narayanpur BO | BO | Branch Post Office |
| Noaon BO | BO | Branch Post Office |
| Pachrukhia BO | BO | Branch Post Office |
| Derhgaon BO | BO | Branch Post Office |
| Gaharuaon BO | BO | Branch Post Office |
| Pachma BO | BO | Branch Post Office |
| Jamorhi BO | BO | Branch Post Office |
| Jethwar Bhatt BO | BO | Branch Post Office |
| Sakariramnagar BO | BO | Branch Post Office |
