Pincode 603304 have been assigned to 6 locations.

Kolathur , Kudapakkam , Cheyur
Kottaikadu , Kudapakkam , Madurantakam
Kudapakkam , Chengalpattu , Cheyyur
Sembulipuram , Kudapakkam , Cheyyur
Vedal , Kudapakkam ,
Vilambur , Kudapakkam , Cheyur