| Index no. | Post office Name | State name | District name | |
|---|---|---|---|---|
| 1 | A.P.Colony S.O (Gaya) | bihar | gaya | |
| 2 | Adai B.O | bihar | gaya | |
| 3 | Adarchak B.O | bihar | gaya | |
| 4 | Agni B.O | bihar | gaya | |
| 5 | Ahiyapur B.O | bihar | gaya | |
| 6 | Aima Chouki B.O | bihar | gaya | |
| 7 | Aira B.O | bihar | gaya | |
| 8 | Akamba B.O | bihar | gaya | |
| 9 | Alipur B.O | bihar | gaya | |
| 10 | Amarut B.O | bihar | gaya |