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686663 PINCode is located in Ernakulam district
| Post Offices with the same pin code as Mamalassery | |||
| No. | Post Office | District | Pincode |
| 1 | Kizhmuri | Ernakulam | 686663 |
| 2 | Ooramana | Ernakulam | 686663 |
| 3 | Ramamangalam | Ernakulam | 686663 |