List of Districts/ Taluks
| Taluk | Districts | Code No |
|---|---|---|
| Egmore-Nungambakkam | chennai | 1 |
| Kottai-Thondiarpet | ||
| Mambalam-Guindy | ||
| Mylapore-Tiruvallikeni | ||
| Purasawalkam-Perambur | ||
| Coimbatore(North) | Coimbatore | 2 |
| Coimbatore(South) | ||
| Mettupalayam | ||
| Pollachi | ||
| Valparai | ||
| Chidambaram | Cuddalore | 3 |
| Cuddalore | ||
| Kattumannarkoil | ||
| Panruti | ||
| Thittakudi | ||
| Virudhachalam | ||
| Dharmapuri | Dharmapuri | 4 |
| Harur | ||
| Palacode | ||
| Pappireddipatti | ||
| Pennagaram | ||
| Dindigul | Dindigul | 5 |
| Kodaikanal | ||
| Natham | ||
| Nilakottai | ||
| Oddanchatram | ||
| Palani | ||
| Vedasandur | ||
| Athoor | ||
| Bhavani | Erode | 6 |
| Erode | ||
| Gobichettipalayam | ||
| Perundurai | ||
| Sathiyamangalam | ||
| Chengalpattu | Kancheepuram | 7 |
| Cheyyur | ||
| Kancheepuram | ||
| Madurantakam | ||
| Sriperumbudur | ||
| Tambaram | ||
| Thirukazukundram | ||
| Uthiramerur | ||
| Agasteeswaram | Kanyakumari | 8 |
| Kalkulam | ||
| Thovalai | ||
| Vilavankodu | ||
| Aravakurichi | Karur | 9 |
| Karur | ||
| Krishnarayapuram | ||
| Kulithalai | ||
| Madurai(North) | Madurai | 10 |
| Madurai(South) | ||
| Melur | ||
| Peraiyur | ||
| Thirumangalam | ||
| Usilampatti | ||
| Vadipatti | ||
| Kilvelur | Nagapattinam | 11 |
| Mayiladuthurai | ||
| Nagapattinam | ||
| Sirkali | ||
| Tharangambadi | ||
| Thirukuvalai | ||
| Vedaranyam | ||
| Namakkal | Namakkal | 12 |
| Paramathivelur | ||
| Rasipuram | ||
| Thiruchengode | ||
| Coonoor | The Nilgiris | 13 |
| Gudalur | ||
| Kothagiri | ||
| Kundah | ||
| Pandalur | ||
| Udagamandalam | ||
| Kunnam | Perambalur | 14 |
| Perambalur | ||
| Veppanthattai | ||
| Alangudi | Pudukottai | 15 |
| Aranthangi | ||
| Avudiyarkoil | ||
| Gandarvakottai | ||
| Illupur | ||
| Kulathur | ||
| Manamalkudi | ||
| Pudukottai | ||
| Thirumayam | ||
| Ramanathapuram | Ramanathapuram | 16 |
| Rameswaram | ||
| Thiruvadanai | ||
| Kadaladi | ||
| Kamuthi | ||
| Mudukulathur | ||
| Paramakudi | ||
| Attur | Salem | 17 |
| Edapadi | ||
| Gangavalli | ||
| Mettur | ||
| Omalur | ||
| Salem | ||
| Sankari | ||
| Vazhapadi | ||
| Yercaud | ||
| Devakottai | Sivaganga | 18 |
| Ilayankudi | ||
| Karaikudi | ||
| Manamadurai | ||
| Sivagangai | ||
| Thirupathur | ||
| Papanasam | Thanjavur | 19 |
| Pattukottai | ||
| Peravurani | ||
| Thiruvidaimaruthur | ||
| Kumbakonam | ||
| Orathanadu | ||
| Thanjavur | ||
| Thiruvaiyaru | ||
| Aandipatti | Theni | 20 |
| Bodinayakanur | ||
| Periyakulam | ||
| Theni | ||
| Uthamapalayam | ||
| Ambattur | Thiruvallur | 21 |
| Gummidipoondi | ||
| Pallipattu | ||
| Ponneri | ||
| Poonamallee | ||
| Tiruthani | ||
| Tiruvallur | ||
| Uthukottai | ||
| Arni | Thiruvannamalai | 22 |
| Chengam | ||
| Cheyyar | ||
| Polur | ||
| Thiruvannamalai | ||
| Vandavasi | ||
| Kodavasal | Thiruvarur | 23 |
| Nannilam | ||
| Needamangalam | ||
| Thiruthuraipoondi | ||
| Thiruvarur | ||
| Valangaiman | ||
| Mannargudi | ||
| Ettayapuram | Thoothukudi | 24 |
| Ottapidaram | ||
| Thoothukudi | ||
| Vilathikulam | ||
| Kovilpatti | ||
| Sattankulam | ||
| Srivaikundam | ||
| Thiruchendur | ||
| Lalgudi | Tiruchirappalli | 25 |
| Manachanallur | ||
| Manapparai | ||
| Musiri | ||
| Srirangam | ||
| Thottiam | ||
| Thuraiyur | ||
| Tiruchirappalli | ||
| Alangulam | Tirunelveli | 26 |
| Ambasamudram | ||
| Palayamkottai | ||
| Sivagiri | ||
| Nanguneri | ||
| Radhapuram | ||
| Sankarankoil | ||
| Shengottai | ||
| Tenkasi | ||
| Tirunelveli | ||
| Veerakeralampudur | ||
| Arakonam | vellore | 27 |
| Arcot | ||
| Gudiyatham | ||
| Katpadi | ||
| Thirupathur | ||
| Vaniyampadi | ||
| vellore | ||
| Wallajah | ||
| Gingee | Villupuram | 28 |
| Kallakurichi | ||
| Sankarapuram | ||
| Tindivanam | ||
| Tirukoilur | ||
| Ulundurpet | ||
| Vanur | ||
| Villupuram | ||
| Srivilliputhur | Virudhunagar | 29 |
| Aruppukottai | ||
| Kariayapatti | ||
| Rajapalayam | ||
| Sathur | ||
| Sivakasi | ||
| Thiruchuli | ||
| Virudhunagar | ||
| Ariyalur | Ariyalur | 30 |
| Sendurai | ||
| Udayarpalayam | ||
| Hosur | Krishnagiri | 31 |
| Krishnagiri | ||
| Pochampalli | ||
| Thenkanikottai | ||
| Uthangarai | ||
| Avinashi | Thiruppur | 32 |
| Dharapuram | ||
| Kangeyam | ||
| Palladam | ||
| Thiruppur | ||
| Udumalaipettai | ||
| Madathukulam |