In Sitamarhi district, Bihar, PIN code 843311 is anchored by Partapur BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 6 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Partapur BO | BO | Branch Post Office |
| BhBhimpur BO | BO | Branch Post Office |
| Gisara BO | BO | Branch Post Office |
| RBagahi BO | BO | Branch Post Office |
| Athri SO | SO | Sub Post Office |
| Belahi BO | BO | Branch Post Office |
