Tamil Nadu PIN codes
Tamil Nadu has 2,043 PIN codes and 11,736 post offices in 38 districts (as India Post lists them).
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About Tamil Nadu: the numbers
Tamil Nadu has 2,043 PIN codes, from 600001 to 643270, and 11,736 post offices: 94 head offices, 2,436 sub offices and 9,206 branch offices. 10,737 of the offices (91%) deliver mail; the rest offer counter services only.
Its PIN codes use 36 sorting district codes: 600 (123), 627 (117), 621 (99), 636 (98), 641 (98) and 628 (89) and 30 more.
Tamil Nadu has 38 postal districts. The most PIN codes are in Coimbatore (107), Thanjavur (92) and Tuticorin (90).
By the Local Government Directory, Tamil Nadu has 1,234 rural PIN codes, 40 urban PIN codes and 619 town-and-village PIN codes, and 18,576 villages carry a PIN code here.
The PIN code with the most post offices is 637411 (Semmedu, 25); the one with the most villages is 636903 (Harur, 71).
India Post serves Tamil Nadu through 45 postal divisions: Tirunelveli Division, Thanjavur Division, Tiruchirapalli Division, Tuticorin Division and Tambaram Division and 40 more.
Districts
- Ariyalur 27
- Chengalpattu 59
- Chennai 78
- Coimbatore 107
- Cuddalore 61
- Dharmapuri 27
- Dindigul 56
- Erode 58
- Kallakurichi 27
- Kanchipuram 26
- Kanniyakumari 65
- Karur 33
- Krishnagiri 36
- Madurai 57
- Mayiladuthurai 51
- Nagapattinam 29
- Namakkal 55
- Perambalur 24
- Pudukkottai 49
- Ramanathapuram 58
- Ranipet 35
- Salem 84
- Sivaganga 63
- Tenkasi 44
- Thanjavur 92
- The Nilgiris 46
- Theni 31
- Thiruvallur 56
- Thiruvarur 64
- Tiruchirappalli 83
- Tirunelveli 72
- Tiruppur 50
- Tiruvannamalai 65
- Tuticorin 90
- Tirupathur 26
- Vellore 48
- Villupuram 54
- Virudhunagar 57
Most searched PIN codes in Tamil Nadu
| PIN | Areas / post offices | Offices |
|---|---|---|
| 600001 | Chennai, Flower Bazaar, Govt Stanley Hospital, Mannady S.O (Chennai), Mint Building, Sowcarpet NDSO | 6 |
| 600002 | Anna Road, CPRC Chennai, Chintadripet, Madras Electricity System | 4 |
| 600032 | Guindy Industrial Estate | 1 |
| 600041 | Tiruvanmiyur, Palavakkam S.O (Kanchipuram), Valmiki Nagar | 3 |
| 600042 | Velacheri | 1 |
| 600044 | Chromepet, Bharathipuram SO Kanchipuram, Nagalkeni, Radhanagar SO Kanchipuram, GanapathipuramCMT, Nehrunagar +1 more | 7 |
| 600048 | Vandalur, Mudichur, Mannivakkam, Otteri Extension | 4 |
| 600052 | Redhills, Alamathi, Boochiathipattu, Edapalayam, Guruvoyal, Vilangadupakkam +3 more | 9 |
| 600053 | Ambattur, Menambedu, Prithivipakkam, Vijayalakshmipuram, Oragadam, Thiruvengadnagar | 6 |
| 600056 | Poonamallee, Iyyappanthangal, Kattupakkam, Senneerkuppam | 4 |
| 600062 | Tirumullaivoyal, Railway Carshed Complex, Senthilnagar, Velnagar Vellanur, Kovilpadagai, Vellanur | 6 |
| 600069 | Kunnathur SO Kanchipuram, Sirukalathur, South Malayambakkam, Nandambakkam | 4 |
| 600073 | Selaiyur, Gowriwakkam, Rajakilpakkam | 3 |
| 600077 | Thiruverkadu, Ayapakkam, Numbal, Veeraraghavapuram | 4 |
| 600091 | Madipakkam, Madipakkam South, Ram Nagar | 3 |
| 600095 | Maduravoyal, Ayanambakkam, Vanagaram | 3 |
| 600096 | Perungudi | 1 |
| 600097 | Oggiamthoraipakkam, Karapakkam | 2 |
| 600099 | Kolathur, Lakshmipuram | 2 |
| 600100 | Medavakkam, Pallikaranai, Perumbakkam | 3 |
| 600116 | Porur, Sriramachandra Deemed Uty, Alapakkam | 3 |
| 600117 | Old Pallavaram, Keelakattalai | 2 |
| 600119 | Sholinganallur | 1 |
| 600126 | Madambakkam, Mappedu | 2 |
| 600127 | Melakkottaiyur, Kolapakkam, Kolathur, Mambakkam, Nallambakkam, Ponmar | 6 |
| 602105 | Sriperumbudur, Gunduperumbedu, Pillaipakkam, Pondur, Thandalam, Thodukadu +4 more | 10 |
| 603103 | Kelambakkam, Pudupakkam, Padur | 3 |
| 603202 | Guduvancheri, Adhanur, Kumizhi, Kannivakkam, Karanaipuduchery, Kayarambedu +2 more | 8 |
| 635109 | Hosur S.O (Dharmapuri), Avalapalli, Chennathur, Kothagondapalli, Muthali, Onnalvadi +3 more | 9 |
| 641001 | Coimbatore, Coimbatore Bazaar, Coimbatore Fort, Coimbatore West | 4 |
Source: India Post, All India Pincode Directory on data.gov.in (Government Open Data License - India), list dated 3 Oct 2025. District names are as India Post lists them.