| Post office | Ratanganj B.O |
| Pin code | 812006 |
| Office type | B.O |
| Taluk / city | Nathnagar |
| District name | Bhagalpur |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | Bhagalpur |
| Region name | Patna HQ |
| Circle name | Bihar |
| Related sub office | Nathnagar S.O |
| Related head office | Bhagalpur H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 812006 | Kishandaspur B.O | Colgong | Bhagalpur | Bihar |
| 812006 | Bhatoria B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Chaknarayanpur B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Chandrabhanpur B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Chazabargaon B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Dariapur B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Gvbrain B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Haridaspur B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Harnathpur B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Khaira B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Nathnagar S.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Ratanganj B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Sajour B.O | Nathnagar | Bhagalpur | Bihar |
| 812006 | Akbarnagar B.O | Sultanganj | Bhagalpur | Bihar |