| Post office | Gaya H.O |
| Pin code | 823001 |
| Office type | H.O |
| Taluk / city | Gaya |
| District name | Gaya |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Gaya |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | NA |
| Related head office | NA |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 823001 | A.P.Colony S.O (Gaya) | Gaya | Gaya | Bihar |
| 823001 | Chand Chourah S.O | Gaya | Gaya | Bihar |
| 823001 | Chandouti S.O | Gaya | Gaya | Bihar |
| 823001 | Chowk S.O | Gaya | Gaya | Bihar |
| 823001 | Civil Lines S.O (Gaya) | Gaya | Gaya | Bihar |
| 823001 | Gaya D.B S.O | Gaya | Gaya | Bihar |
| 823001 | Gaya H.O | Gaya | Gaya | Bihar |
| 823001 | Gaya Jail S.O | Gaya | Gaya | Bihar |
| 823001 | Gewal Bigha S.O | Gaya | Gaya | Bihar |
| 823001 | Karimganj S.O | Gaya | Gaya | Bihar |
| 823001 | New Godown S.O | Gaya | Gaya | Bihar |
| 823001 | Purani Godown S.O | Gaya | Gaya | Bihar |