RTO CodesOther units on VAHAN (three-digit codes)
VAHAN also lists 81 more units for Tamil Nadu with codes of 200 and above. These are its own numbers for units such as fitness centres, unit offices and special cells. You will not normally see them on a number plate.
Show these 81 units
| Code | Unit | On VAHAN since |
|---|---|---|
| TN-508 | Madurantagam UO | 7 June 2018 |
| TN-511 | Poonamallee RTO | 11 June 2018 |
| TN-512 | Sholinganallur RTO | 19 June 2018 |
| TN-513 | Tambaram RTO | 25 June 2018 |
| TN-514 | Gudiyatham UO | 6 July 2018 |
| TN-515 | Vaniyambadi RTO | 11 July 2018 |
| TN-516 | Arani RTO | 21 May 2018 |
| TN-517 | Paramathi Vellure UO | 30 August 2018 |
| TN-526 | Rasipuram UO | 30 August 2018 |
| TN-527 | Harur UO | 3 August 2018 |
| TN-535 | Omalure UO | 29 August 2018 |
| TN-544 | Chidambaram RTO | 19 June 2018 |
| TN-553 | Virudhachalam UO | 19 June 2018 |
| TN-562 | Neyveli UO | 20 June 2018 |
| TN-571 | Tindivanam RTO | 14 June 2018 |
| TN-577 | Ulundurpet RTO | 15 June 2018 |
| TN-578 | Bhavani UO | 30 July 2018 |
| TN-579 | Sathyamangalam UO | 30 July 2018 |
| TN-580 | Avinashi UO | 14 August 2018 |
| TN-581 | Udumalpet RTO | 17 August 2018 |
| TN-582 | Gudalore UO | 18 July 2018 |
| TN-583 | Tiruveranbur UO | 9 July 2018 |
| TN-584 | Manaparai UO | 30 May 2018 |
| TN-585 | Kulithali UO | 27 June 2018 |
| TN-586 | Thuraiyur UO | 28 June 2018 |
| TN-587 | Pattukottai Unit Office | 6 August 2018 |
| TN-588 | Mannargudi UO | 9 August 2018 |
| TN-589 | Mayiladuthurai RTO | 7 August 2018 |
| TN-590 | Mettur RTO | 30 August 2018 |
| TN-591 | Attur RTO | 8 January 2018 |
| TN-592 | Aranthangi UO | 19 December 2017 |
| TN-593 | Kangeyam UO | 17 August 2018 |
| TN-594 | Dharapuram RTO | 18 July 2018 |
| TN-595 | Oddanchatram UO | 24 July 2018 |
| TN-596 | Batlagundu UO | 20 July 2018 |
| TN-597 | Palani RTO | 24 July 2018 |
| TN-598 | Thirumangalam UO | 7 July 2018 |
| TN-599 | Vadipatti UO | 5 June 2018 |
| TN-600 | Melur UO | 1 June 2018 |
| TN-601 | Uthamapalayam UO | 20 July 2018 |
| TN-602 | Karaikudi UO | 21 August 2018 |
| TN-603 | Paramakudi UO | 24 July 2018 |
| TN-604 | Sivakasi RTO | 21 August 2018 |
| TN-605 | Srivilliputhur RTO | 17 August 2018 |
| TN-606 | Thiruchendur RTO | 28 August 2018 |
| TN-607 | Kovilpatti RTO | 24 August 2018 |
| TN-608 | Valliyur UO | 25 July 2018 |
| TN-609 | Arakkonam UO | 6 July 2018 |
| TN-610 | Sankarankovil RTO | 28 August 2018 |
| TN-611 | Ambasamuthiram UO | 28 August 2018 |
| TN-612 | Ambattur RTO | 7 June 2018 |
| TN-613 | Valappadi UO | 8 January 2018 |
| TN-614 | Sriperumbudur RTO | 1 August 2018 |
| TN-615 | Kallakurichi RTO | 15 June 2018 |
| TN-616 | Palacode UO | 3 August 2018 |
| TN-617 | Vedachandur UO | 20 July 2018 |
| TN-620 | Sulur UO | 28 May 2018 |
| TN-621 | Musuri UO | 28 June 2018 |
| TN-622 | Aruppukottai UO | 25 July 2018 |
| TN-623 | Sirkali UO | 7 August 2018 |
| TN-624 | Thirupattur RTO | 11 July 2018 |
| TN-625 | Gummidipoondi UO | 7 June 2018 |
| TN-626 | Panruti UO | 19 June 2018 |
| TN-627 | Gingee UO | 14 June 2018 |
| TN-628 | Ambur UO | 11 July 2018 |
| TN-629 | Illuppur UO | 24 May 2018 |
| TN-630 | Thiruthuraipoondi UO | 9 August 2018 |
| TN-631 | Lalgudi UO | 28 June 2018 |
| TN-632 | Aravakurichi UO | 27 June 2018 |
| TN-633 | Valparai UO | 24 July 2018 |
| TN-634 | Thiruttani UO | 11 June 2018 |
| TN-635 | Cheyyar UO | 7 April 2017 |
| TN-636 | Usilampatti UO | 14 August 2018 |
| TN-637 | Manmangalam UO | 25 June 2018 |
| TN-638 | Kumarapalayam RTO | 28 January 2018 |
| TN-639 | Thirukalukuntram UO | 4 June 2018 |
| TN-640 | Natham UO | 4 June 2018 |
| TN-641 | Alangudi UO | 4 June 2018 |
| TN-643 | Rajapalayam UO | 15 November 2023 |
| TN-644 | Alangulam UO | 5 March 2024 |
| TN-999 | State Transport Authority | 13 June 2018 |
How to read a TN number
Take TN 01 AB 1234. TN is Tamil Nadu. 01 is the office: Chennai (Central) RTO. The letters and the last four digits are the running series of that office. More on reading number plates.
What "On VAHAN since" means
The dashboard lists the offices running on VAHAN 4, the national vehicle registration system, and shows a date beside each one. We take it to be the date that office started on VAHAN 4. It is not the date the office was opened.
Source and date. Offices, codes and dates are as listed on the public VAHAN dashboard of the Ministry of Road Transport and Highways on 11 November 2026. This site is not a government site. For any work at an RTO, check with the office or on parivahan.gov.in.
Questions people ask
What is the vehicle registration code of Tamil Nadu?
Vehicles registered in Tamil Nadu carry the letters TN, followed by the number of the registering office.
Which RTO is TN-01?
TN-01 is Chennai (Central) RTO in Tamil Nadu, as listed on the VAHAN dashboard on 11 November 2026.
Which RTO is TN-02?
TN-02 is RTO Chennai (North West) in Tamil Nadu, as listed on the VAHAN dashboard on 11 November 2026.
Which RTO is TN-03?
TN-03 is Chennai (North-East) RTO in Tamil Nadu, as listed on the VAHAN dashboard on 11 November 2026.
How many RTO codes does Tamil Nadu have?
The VAHAN dashboard lists 67 offices for Tamil Nadu with codes from TN-01 to TN-99, and 81 other units with three-digit codes, as on 11 November 2026.