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691503 PINCode is located in Kollam district
| Post Offices with the same pin code as Mulavana | |||
| No. | Post Office | District | Pincode |
| 1 | Kumbalam | Kollam | 691503 |
| 2 | Mukkoodu | Kollam | 691503 |
| 3 | Padappakara | Kollam | 691503 |