| Post office | Ayer B.O |
| Pin code | 823311 |
| Office type | B.O |
| Taluk / city | Atri |
| District name | Gaya |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Gaya |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Atri S.O |
| Related head office | Gaya H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 823311 | Atri S.O | Atri | Gaya | Bihar |
| 823311 | Ayer B.O | Atri | Gaya | Bihar |
| 823311 | Bairka B.O | Atri | Gaya | Bihar |
| 823311 | Bandimaniyara B.O | Atri | Gaya | Bihar |
| 823311 | Bathani B.O | Atri | Gaya | Bihar |
| 823311 | Birnoi B.O | Atri | Gaya | Bihar |
| 823311 | Chiriyawan B.O | Atri | Gaya | Bihar |
| 823311 | Jethian B.O | Atri | Gaya | Bihar |
| 823311 | Khukri B.O | Atri | Gaya | Bihar |
| 823311 | Kunar B.O | Atri | Gaya | Bihar |
| 823311 | Noudiha B.O | Atri | Gaya | Bihar |
| 823311 | Patharkatti B.O | Atri | Gaya | Bihar |
| 823311 | Piyar B.O | Atri | Gaya | Bihar |
| 823311 | Saren B.O | Atri | Gaya | Bihar |
| 823311 | Sarvahada B.O | Atri | Gaya | Bihar |
| 823311 | S.Moulanagar B.O | Atri | Gaya | Bihar |
| 823311 | Telari B.O | Atri | Gaya | Bihar |
| 823311 | Tetar B.O | Atri | Gaya | Bihar |
| 823311 | Teusa Bahu Bigha B.O | Atri | Gaya | Bihar |