In Idukki district, Kerala, PIN code 685583 is anchored by Vazhithala SO, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Vazhithala SO | SO | Sub Post Office |
| Kuninji BO | BO | Branch Post Office |
| Purapuzha BO | BO | Branch Post Office |
