In Perambalur district, Tamil Nadu, PIN code 621116 is anchored by Krishnapuram B.O, 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 |
|---|---|---|
| Krishnapuram B.O | BO | Branch Post Office |
| Thondapadi B.O | BO | Branch Post Office |
| Neikuppai B.O | BO | Branch Post Office |
| Veppanthattai S.O | SO | Sub Post Office |
| Vembavur B.O | BO | Branch Post Office |
| Venganur B.O | BO | Branch Post Office |
