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678706 PINCode is located in Palakkad district
| Post Offices with the same pin code as Olinkadavu | |||
| No. | Post Office | District | Pincode |
| 1 | Chittadi | Palakkad | 678706 |
| 2 | Karinkayam | Palakkad | 678706 |
| 3 | Mangalam dam | Palakkad | 678706 |
| 4 | Vandali | Palakkad | 678706 |