| Post office | Kathar B.O |
| Pin code | 802111 |
| Office type | B.O |
| Taluk / city | Chakki |
| District name | Buxar |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Bhojpur |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Arak S.O |
| Related head office | Buxar H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 802111 | Diaman B.O | Chakki | Buxar | Bihar |
| 802111 | Jogia B.O | Chakki | Buxar | Bihar |
| 802111 | Kathar B.O | Chakki | Buxar | Bihar |
| 802111 | Nuaon B.O | Chakki | Buxar | Bihar |
| 802111 | Parasia B.O | Chakki | Buxar | Bihar |
| 802111 | Sowan B.O | Chakki | Buxar | Bihar |
| 802111 | Arak S.O | Duraon | Buxar | Bihar |