In Thrissur district, Kerala, PIN code 680003 is anchored by Ayyanthole North 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 |
|---|---|---|
| Ayyanthole North BO | BO | Branch Post Office |
| Ayyanthole SO | SO | Sub Post Office |
