Chennai district has so many post offices that finding the right post office can be a challenging task for the postal department. Making the process of delivering letters and parcels more efficient the Indian Postal service introduced the 6 digit Postal Index Number (PIN) Code on 15 August 1972. You can search and find the correct Pin code of post offices in Chennai district using allpincode.com. Entering the name of any place in Chennai district you can find the Postal Code or ZIP code of that particular place. Moreover you can search by Pin Code also.