Pincode 641666 have been assigned to 6 locations.

Ittiveerampalayam , Perumanallur , Tirupur
Kannakkampalayam , Perumanallur , Tirupur
Karunampathi , Perumanallur , Tiruppur
Perumanallur , Tirupur , Tirupur
Pongupalayam , Perumanallur , Tirupur
Vavipalayam , Perumanallur , Tirupur