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685587 PINCode is located in Idukki district
| Post Offices with the same pin code as Thudanganad | |||
| No. | Post Office | District | Pincode |
| 1 | Ellumpuram | Idukki | 685587 |
| 2 | Mrala | Idukki | 685587 |
| 3 | Muttom ek | Idukki | 685587 |