In Idukki district, Kerala, PIN code 685505 is anchored by Karimkulam Chappath BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 5 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Karimkulam Chappath BO | BO | Branch Post Office |
| Mattuthavalam BO | BO | Branch Post Office |
| Lonetree BO | BO | Branch Post Office |
| Mathaipara BO | BO | Branch Post Office |
| Upputhara SO | SO | Sub Post Office |
