In Idukki district, Kerala, PIN code 685553 is anchored by Kailasanadu BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 8 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kailasanadu BO | BO | Branch Post Office |
| Manjappara BO | BO | Branch Post Office |
| Mavady BO | BO | Branch Post Office |
| Pampadumpara BO | BO | Branch Post Office |
| Nedumkandam SO | SO | Sub Post Office |
| Chembalam BO | BO | Branch Post Office |
| Ezhukunvayal BO | BO | Branch Post Office |
| Pachady BO | BO | Branch Post Office |
