Pincode 603104 have been assigned to 9 locations.

Kadambadi , Mamallapuram , Tirukalikundram
Kokilamedu , Mamallapuram , Tirukalilkundram
Koothavakkam , Mamallapuram , Sriperumbudur
Mamallapuram , Chengalpattu , Tirukalikundram
Pattipulam , Mamallapuram , Tirukalikundram
Perur , Mamallapuram , Chengalpattu
Poonjeri , Mamallapuram ,
Vadakadambadi , Mamallapuram , Tirukalikundram
Zamin Paiyanur , Mamallapuram , Chengalpattu