Pincode 603111 have been assigned to 7 locations.

Mamandur , Venpakkam , Chengalpattu
Manapakkam , Venpakkam , Chengalpattu
Meyyur , Venpakkam , Maduranthakam
Ozhalur , Venpakkam , Tirukalikundram`
Pazhamathur , Venpakkam , Chengalpattu
Tirumani , Venpakkam , Chengalpattu
Venpakkam , Chengalpattu , Chengalpattu