PIN code 854112 belongs to Gopalpur Diara BO (Branch Post Office), located in Katihar district, Bihar. It falls under the Eastern Postal Region and is served by 9 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Gopalpur Diara BO | BO | Branch Post Office |
| Paharpur BO | BO | Branch Post Office |
| Pardiara BO | BO | Branch Post Office |
| Amdabad SO | SO | Sub Post Office |
| Bakharganj BO | BO | Branch Post Office |
| CHOWKCHAMA BO | BO | Branch Post Office |
| Bairia B.O | BO | Branch Post Office |
| Durgapur BO | BO | Branch Post Office |
| Pani Kamla BO | BO | Branch Post Office |
