In Siwan district, Bihar, PIN code 841235 is anchored by Harnatar BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 11 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Harnatar BO | BO | Branch Post Office |
| Tariwani BO | BO | Branch Post Office |
| Done SO | SO | Sub Post Office |
| Kumhatti BO | BO | Branch Post Office |
| Murakhap BO | BO | Branch Post Office |
| Draili Mathia BO | BO | Branch Post Office |
| Netwar BO | BO | Branch Post Office |
| Belaon BO | BO | Branch Post Office |
| Kanhauli BO | BO | Branch Post Office |
| Mathia BO | BO | Branch Post Office |
| Murera BO | BO | Branch Post Office |
