In Mayiladuthurai district, Tamil Nadu, PIN code 609311 is anchored by Tirumeignanam B.O, 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 |
|---|---|---|
| Tirumeignanam B.O | BO | Branch Post Office |
| Tirucadaiyur S.O | SO | Sub Post Office |
