In Idukki district, Kerala, PIN code 685607 is anchored by Mullaringadu 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 |
|---|---|---|
| Mullaringadu BO | BO | Branch Post Office |
| Mundanmudy BO | BO | Branch Post Office |
| Kaliyar BO | BO | Branch Post Office |
| Pulickathotty BO | BO | Branch Post Office |
| Vannapuram SO | SO | Sub Post Office |
