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678551 PINCode is located in Palakkad district
| Post Offices with the same pin code as Olasseri | |||
| No. | Post Office | District | Pincode |
| 1 | Karingarapully | Palakkad | 678551 |
| 2 | Kotambu | Palakkad | 678551 |
| 3 | Thiruvalathur | Palakkad | 678551 |