Tamil Nadu state has so many cities and villages that finding the right place can be a challenging task for the Indian Postal Department. Making the delivery of 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 Tamil Nadu state post offices using allpincode.com. By entering the name of any place in Tamil Nadu, you can find the Postal Code, Tamil Nadu Pin Code List or ZIP code of that particular place. Moreover you can search by Pin Code also.