In Thrissur district, Kerala, PIN code 680312 is anchored by Chengallur SO, a Sub Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Chengallur SO | SO | Sub Post Office |
| Inchakundu BO | BO | Branch Post Office |
| Mupliyam BO | BO | Branch Post Office |
| Nandipulam BO | BO | Branch Post Office |
