| Post office | Gudnapur B.O |
| Pin code | 581318 |
| Office type | B.O |
| Taluk / city | Sirsi |
| District name | Uttara Kannada |
| State name | Karnataka |
| Delivery status | Delivery |
| Division name | Sirsi |
| Region name | North Karnataka |
| Circle name | Karnataka |
| Related sub office | Banavasi S.O |
| Related head office | Sirsi H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 581318 | Banavasi S.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Bhasi B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Gudnapur B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Korlakatta B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Madralli B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Narur B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Onikeri B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Sugavi B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Umblekoppa B.O | Sirsi | Uttara Kannada | Karnataka |
| 581318 | Unchalli B.O | Sirsi | Uttara Kannada | Karnataka |