PIN code 609306 belongs to Tiruvilayattam B.O (Branch Post Office), located in Mayiladuthurai district, Tamil Nadu. It falls under the Southern Postal Region and is served by 3 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Tiruvilayattam B.O | BO | Branch Post Office |
| Nalladai S.O | SO | Sub Post Office |
| Velampudukudi B.O | BO | Branch Post Office |
