In Idukki district, Kerala, PIN code 685535 is anchored by Anavilasam BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Anavilasam BO | BO | Branch Post Office |
| Sasthanoda BO | BO | Branch Post Office |
| Vellaramkunnu BO | BO | Branch Post Office |
| Viswanathapuram SO | SO | Sub Post Office |
