In Tiruppur district, Tamil Nadu, PIN code 641666 is anchored by Pongupalayam 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 |
|---|---|---|
| Pongupalayam BO | BO | Branch Post Office |
| Ittiveerampalayam BO | BO | Branch Post Office |
| Perumanallur SO | SO | Sub Post Office |
| Kanakkampalayam BO | BO | Branch Post Office |
| Karunampathi BO | BO | Branch Post Office |
| Vavipalayam BO | BO | Branch Post Office |
