In Siwan district, Bihar, PIN code 841223 is anchored by Baghauna BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Baghauna BO | BO | Branch Post Office |
| Narwan BO | BO | Branch Post Office |
| Mohamadpur SO | SO | Sub Post Office |
