In Sheikhpura district, Bihar, PIN code 811103 is anchored by Ambari BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 8 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Ambari BO | BO | Branch Post Office |
| Panhesa BO | BO | Branch Post Office |
| Chakdin BO | BO | Branch Post Office |
| Nimi SO | SO | Sub Post Office |
| Charuawan BO | BO | Branch Post Office |
| Paharia BO | BO | Branch Post Office |
| Jean Bigha BO | BO | Branch Post Office |
| Ugaban BO | BO | Branch Post Office |
