In Palakkad district, Kerala, PIN code 678671 is anchored by Vilayannur BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 2 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Vilayannur BO | BO | Branch Post Office |
| Thenkurussi SO | SO | Sub Post Office |
