In Villupuram district, Tamil Nadu, PIN code 604151 is anchored by Kalleri BO, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 11 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kalleri BO | BO | Branch Post Office |
| Periyamur BO | BO | Branch Post Office |
| Perungappur BO | BO | Branch Post Office |
| Thandavasamudram BO | BO | Branch Post Office |
| Thenpalai BO | BO | Branch Post Office |
| Kanakkankuppam BO | BO | Branch Post Office |
| Alampoondi SO | SO | Sub Post Office |
| Nayambadi BO | BO | Branch Post Office |
| Manalapadi BO | BO | Branch Post Office |
| Devadanampettai BO | BO | Branch Post Office |
| Padipallam BO | BO | Branch Post Office |
