PIN code 823311 belongs to Ayer BO (Branch Post Office), located in Gaya district, Bihar. It falls under the Eastern Postal Region and is served by 21 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Ayer BO | BO | Branch Post Office |
| SMoulanagar BO | BO | Branch Post Office |
| Atri SO | SO | Sub Post Office |
| Bandimaniyara BO | BO | Branch Post Office |
| Jamunapur Noudiha BO | BO | Branch Post Office |
| Tetar BO | BO | Branch Post Office |
| Khukri BO | BO | Branch Post Office |
| Punar BO | BO | Branch Post Office |
| Patharkatti BO | BO | Branch Post Office |
| Piyar BO | BO | Branch Post Office |
| Saren BO | BO | Branch Post Office |
| Sarvahada BO | BO | Branch Post Office |
| Bairka BO | BO | Branch Post Office |
| Chiriyawan BO | BO | Branch Post Office |
| Telari BO | BO | Branch Post Office |
| GEHLORE | OTHER | post office |
| Bathani BO | BO | Branch Post Office |
| Birnoi BO | BO | Branch Post Office |
| Jethian BO | BO | Branch Post Office |
| Teusa Bandhubigha BO | BO | Branch Post Office |
| DHUSARI | OTHER | post office |
