| Index no. | Post office Name | State name | District name | |
|---|---|---|---|---|
| 1 | A. H. Guard B.O | bihar | patna | |
| 2 | A.Piplawan B.O | bihar | patna | |
| 3 | Achua B.O | bihar | patna | |
| 4 | Achuara B.O | bihar | patna | |
| 5 | Agwanpur B.O | bihar | patna | |
| 6 | Ahiyapur B.O | bihar | patna | |
| 7 | AIIMS S.O | bihar | patna | |
| 8 | Aikhan B.O | bihar | patna | |
| 9 | Ajwan B.O | bihar | patna | |
| 10 | Akauna B.O | bihar | patna |