In Villupuram district, Tamil Nadu, PIN code 605111 is anchored by Irumbai BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 6 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Irumbai BO | BO | Branch Post Office |
| Rayapudupakkam BO | BO | Branch Post Office |
| Tiruchitambalam SO | SO | Sub Post Office |
| Hemerjickz centre BO | BO | Branch Post Office |
| Poothurai BO | BO | Branch Post Office |
| Sedarapet BO | BO | Branch Post Office |
