PIN code 685566 belongs to C Kuthumkal BO (Branch Post Office), located in Idukki district, Kerala. It falls under the Southern Postal Region and is served by 5 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| C Kuthumkal BO | BO | Branch Post Office |
| Rajakad SO | SO | Sub Post Office |
| Mammattikanam BO | BO | Branch Post Office |
| Mukkudil BO | BO | Branch Post Office |
| N R City BO | BO | Branch Post Office |
