Pincode 636121 have been assigned to 8 locations.

Kattukottai , Vadachennimalai , Atur
Manivilundan , Vadachennimalai , Atur
Sadasivapuram , Vadachennimalai , Atur
Sarvoy , Vadachennimalai , Atur
Sathapadi , Vadachennimalai , Atur
Thenkumarai , Vadachennimalai , Atur
Vadachennimalai , Atur , Attur
Valayamadevi , Vadachennimalai , Atur