PinCode: 574109, Idu Post Office, Karkal, Udupi, Karnataka
| Post Office | Idu |
| Post Office Status | Branch Post Office (Delivery) |
| PinCode | 574109
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| Telephone | |
| Town/Taluk | Karkal |
| District | Udupi |
| State | Karnataka |
| Postal Division | Puttur |
| Postal Region | South Karnataka |
| Postal Circle | Karnataka |
List of Other Post Offices in Karkal, Udupi, Karnataka