In Palakkad district, Kerala, PIN code 678596 is anchored by Kalladikode SO, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 2 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kalladikode SO | SO | Sub Post Office |
| Kanhikulam BO | BO | Branch Post Office |
