In Mayiladuthurai district, Tamil Nadu, PIN code 609404 is anchored by Manganallur B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Manganallur B.O | BO | Branch Post Office |
| Manganallur Bazaar S.O | SO | Sub Post Office |
| Peruncheri B.O | BO | Branch Post Office |
