PIN code 804423 belongs to Kodmarai B.O (Branch Post Office), located in Arwal district, Bihar. It falls under the Eastern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Kodmarai B.O | BO | Branch Post Office |
| Nagla Kinger S.O | SO | Sub Post Office |
| Dhamoul B.O | BO | Branch Post Office |
