In Kottayam district, Kerala, PIN code 686513 is anchored by Karinilam 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 |
|---|---|---|
| Karinilam BO | BO | Branch Post Office |
| Rajendraprasad Colony BO | BO | Branch Post Office |
| Mundakayam SO | SO | Sub Post Office |
| Madukka BO | BO | Branch Post Office |
| Koruthode BO | BO | Branch Post Office |
| Kuppakkayam BO | BO | Branch Post Office |
| Mundakayam East BO | BO | Branch Post Office |
| Punchavayal BO | BO | Branch Post Office |
