Pincode 603001 have been assigned to 4 locations.

Alagesa Nagar , Chengalpattu , Chengalpattu
Chengalpattu Cutcherry , Chengalpattu , Chengalpattu
Chengalpattu , Chengalpattu , Chengalpattu
Chengalpattu Med.College , Chengalpattu , Chengalpattu