State · Capital: Chennai · 31 Districts · 11,878 Post Offices · 2,145 PIN Codes
Tamil Nadu, one of India's most industrialised southern states, has a postal history going back to the East India Company era. The Tamilnadu Postal Circle (headquartered in Chennai) serves a state that spans the Deccan plateau, the Cauvery delta, the Nilgiri hills, and a long coastline — each zone with its own postal characteristics.
Tamil Nadu PIN codes begin with 60–64, with Chennai GPO being one of the oldest continuously operating head offices in India.
Tamil Nadu has 11,878 post offices across 31 districts, with 2,145 unique PIN codes. Browse the districts listed above to find specific PIN codes.
Tamil Nadu has 31 districts with postal coverage as per India Post records.
The capital of Tamil Nadu is Chennai.
Click on any district above to see all PIN codes and post offices in that district of Tamil Nadu. You can also use the search bar on the homepage to search by office name or PIN code directly.
Tamil Nadu is a state of India with its own elected legislative assembly.
Tamil Nadu has 2,145 unique PIN codes across its 31 districts.
In Tamil Nadu, PIN codes begin with 60–64. The first digit indicates the postal zone, the second digit represents the sub-zone (Tamil Nadu), and the remaining four digits identify the sorting district and specific post office.
Tamil Nadu has 11,878 post offices, including Head Offices (H.O), Sub Offices (S.O), and Branch Offices (B.O).
Yes. All valid PIN codes in Tamil Nadu are accepted by e-commerce platforms like Amazon, Flipkart, Myntra, and courier services like Blue Dart, DTDC, and Delhivery for delivery serviceability checks.
H.O stands for Head Office — the primary post office of a postal division. Tamil Nadu has one H.O per district that serves as the hub for all S.O (Sub Office) and B.O (Branch Office) post offices in that area.