| Post office | Castlerock S.O |
| Pin code | 581121 |
| Office type | S.O |
| Taluk / city | Supa |
| District name | Uttara Kannada |
| State name | Karnataka |
| Delivery status | Delivery |
| Division name | Sirsi |
| Region name | North Karnataka |
| Circle name | Karnataka |
| Related sub office | NA |
| Related head office | Sirsi H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 581121 | Bazarkunang B.O | Supa | Uttara Kannada | Karnataka |
| 581121 | Castlerock S.O | Supa | Uttara Kannada | Karnataka |