PIN code 841242 belongs to Choiapali BO (Branch Post Office), located in Siwan district, Bihar. It falls under the Eastern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Choiapali BO | BO | Branch Post Office |
| Paterhi SO | SO | Sub Post Office |
| Paterha BO | BO | Branch Post Office |
| Ratanparauli BO | BO | Branch Post Office |
