In Perambalur district, Tamil Nadu, PIN code 621716 is anchored by Kadur B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 9 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Kadur B.O | BO | Branch Post Office |
| Namangunam B.O | BO | Branch Post Office |
| Nallarikkai B.O | BO | Branch Post Office |
| Puduvettakudi B.O | BO | Branch Post Office |
| Vasistapuram B.O | BO | Branch Post Office |
| Vayalur B.O | BO | Branch Post Office |
| Kilaperambalur B.O | BO | Branch Post Office |
| Tungapuram S.O | SO | Sub Post Office |
| Vayalapadi B.O | BO | Branch Post Office |
