PIN code 841425 belongs to Kalyanpur BO (Branch Post Office), located in Gopalganj district, Bihar. It falls under the Eastern Postal Region and is served by 6 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Kalyanpur BO | BO | Branch Post Office |
| Bathubazar SO | SO | Sub Post Office |
| Phulwaria BO | BO | Branch Post Office |
| Bhagwatparsa BO | BO | Branch Post Office |
| Chhitauna BO | BO | Branch Post Office |
| Songharwa BO | BO | Branch Post Office |
