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691520 PINCode is located in Kollam district
| Post Offices with the same pin code as Ummannur | |||
| No. | Post Office | District | Pincode |
| 1 | Cheppara | Kollam | 691520 |
| 2 | Nellikunnam | Kollam | 691520 |
| 3 | Valiyode | Kollam | 691520 |