RTO Codes of Tamil Nadu
Every RTO code in Tamil Nadu — 152 transport offices. Number plates here carry the TN prefix; the number after it identifies the office. Full list below.
All Tamil Nadu RTO Offices
| RTO Code | Office |
|---|---|
| TN 01 | Chennai (Central) Rto |
| TN 02 | Rto Chennai (North West) |
| TN 03 | Chennai (North-East) Rto |
| TN 04 | Chennai (East) Rto |
| TN 05 | Chennai (North) Rto |
| TN 06 | Chennai (South-East) Rto |
| TN 07 | Chennai (South) Rto |
| TN 09 | Chennai (West) Rto |
| TN 10 | Chennai (South-West) Rto |
| TN 11 | Tambaram |
| TN 16 | Tindivanam |
| TN 18 | Redhills Rto |
| TN 19 | Chengalpattu Rto |
| TN 20 | Tiruvallur Rto |
| TN 21 | Kancheepuram Rto |
| TN 22 | Meenambakkam Rto |
| TN 23 | Vellore Rto |
| TN 24 | Krishnagiri Rto |
| TN 25 | Tiruvannamalai Rto |
| TN 28 | Namakkal (North) Rto |
| TN 29 | Dharmapuri Rto |
| TN 30 | Salem (West) Rto |
| TN 31 | Cuddalore Rto |
| TN 32 | Viluppuram Rto |
| TN 33 | Erode Rto |
| TN 34 | Tiruchengode Rto |
| TN 36 | Gopichettipalayam Rto |
| TN 37 | Coimbatore (South) Rto |
| TN 38 | Coimbatore (North) Rto |
| TN 39 | Tiruppur (North) Rto |
| TN 40 | Mettupalayam Rto |
| TN 41 | Pollachi Rto |
| TN 42 | Tiruppur (South) Rto |
| TN 43 | Ooty Rto |
| TN 45 | Tiruchi Rto |
| TN 46 | Perambalur Rto |
| TN 47 | Karur Rto |
| TN 48 | Srirangam Rto |
| TN 49 | Thanjavur Rto |
| TN 50 | Tiruvarur Rto |
| TN 51 | Nagapattinam Rto |
| TN 52 | Sankagiri Rto |
| TN 54 | Salem (East) Rto |
| TN 55 | Pudukottai Rto |
| TN 56 | Perundurai Rto |
| TN 57 | Dindigul Rto |
| TN 58 | Madurai (South) Rto |
| TN 59 | Madurai (North) Rto |
| TN 60 | Theni Rto |
| TN 61 | Ariyalur Rto |
| TN 63 | Sivagangai Rto |
| TN 64 | Madurai (Central) Rto |
| TN 65 | Ramanathapuram Rto |
| TN 66 | Coimbatore (Central) Rto |
| TN 67 | Virudhunagar Rto |
| TN 68 | Kumbakonam Rto |
| TN 69 | Thoothukudi Rto |
| TN 70 | Hosur Rto |
| TN 72 | Tirunelveli Rto |
| TN 73 | Ranipet Rto |
| TN 74 | Nagercoil Rto |
| TN 75 | Marthandam Rto |
| TN 76 | Tenkasi Rto |
| TN 77 | Attur |
| TN 78 | Dharapuram |
| TN 81 | Tiruchi(East) Rto |
| TN 85 | Kundrathur Rto |
| TN 86 | Erode (West) Rto |
| TN 88 | Namakkal (South) Rto |
| TN 90 | Salem (South) Rto |
| TN 99 | Coimbatore (West) Rto |
| TN 508 | Madurantagam Uo |
| TN 511 | Poonamallee Rto |
| TN 512 | Sholinganallur Rto |
| TN 513 | Tambaram Rto |
| TN 514 | Gudiyatham Uo |
| TN 515 | Vaniyambadi Rto |
| TN 516 | Arani Rto |
| TN 517 | Paramathi Vellure Uo |
| TN 526 | Rasipuram Uo |
| TN 527 | Harur Uo |
| TN 535 | Omalure Uo |
| TN 544 | Chidambaram Rto |
| TN 553 | Virudhachalam Uo |
| TN 562 | Neyveli Uo |
| TN 571 | Tindivanam Rto |
| TN 577 | Ulundurpet Rto |
| TN 578 | Bhavani Uo |
| TN 579 | Sathyamangalam Uo |
| TN 580 | Avinashi Uo |
| TN 581 | Udumalpet Rto |
| TN 582 | Gudalore Uo |
| TN 583 | Tiruveranbur Uo |
| TN 584 | Manaparai Uo |
| TN 585 | Kulithali Uo |
| TN 586 | Thuraiyur Uo |
| TN 587 | Pattukottai Unit Office |
| TN 588 | Mannargudi Uo |
| TN 589 | Mayiladuthurai Rto |
| TN 590 | Mettur Rto |
| TN 591 | Attur Rto |
| TN 592 | Aranthangi Uo |
| TN 593 | Kangeyam Uo |
| TN 594 | Dharapuram Rto |
| TN 595 | Oddanchatram Uo |
| TN 596 | Batlagundu Uo |
| TN 597 | Palani Rto |
| TN 598 | Thirumangalam Uo |
| TN 599 | Vadipatti Uo |
| TN 600 | Melur Uo |
| TN 601 | Uthamapalayam Uo |
| TN 602 | Karaikudi Uo |
| TN 603 | Paramakudi Uo |
| TN 604 | Sivakasi Rto |
| TN 605 | Srivilliputhur Rto |
| TN 606 | Thiruchendur Rto |
| TN 607 | Kovilpatti Rto |
| TN 608 | Valliyur Uo |
| TN 609 | Arakkonam Uo |
| TN 610 | Sankarankovil Rto |
| TN 611 | Ambasamuthiram Uo |
| TN 612 | Ambattur Rto |
| TN 613 | Valappadi Uo |
| TN 614 | Sriperumbudur Rto |
| TN 615 | Kallakurichi Rto |
| TN 616 | Palacode Uo |
| TN 617 | Vedachandur Uo |
| TN 620 | Sulur Uo |
| TN 621 | Musuri Uo |
| TN 622 | Aruppukottai Uo |
| TN 623 | Sirkali Uo |
| TN 624 | Thirupattur Rto |
| TN 625 | Gummidipoondi Uo |
| TN 626 | Panruti Uo |
| TN 627 | Gingee Uo |
| TN 628 | Ambur Uo |
| TN 629 | Illuppur Uo |
| TN 630 | Thiruthuraipoondi Uo |
| TN 631 | Lalkudi Uo |
| TN 632 | Aravakurichi Uo |
| TN 633 | Valparai Uo |
| TN 634 | Thiruthani Uo |
| TN 635 | Cheyyar Uo |
| TN 636 | Usilampatti Uo |
| TN 637 | Manmangalam Uo |
| TN 638 | Kumarapalayam Rto |
| TN 639 | Thirukalukuntram Uo |
| TN 640 | Natham Uo |
| TN 641 | Alangudi Uo |
| TN 643 | Rajapalayam Uo |
| TN 644 | Alangulam Uo |
| TN 999 | State Transport Authority |
How to Find an RTO Code in Tamil Nadu
- Read the first two letters and the number on your plate — for Tamil Nadu they start with TN.
- Find that code in the list above to see the exact transport office.
- Or search any plate on the RTO Code Search homepage — full numbers like TN12AB1234 also resolve.
Frequently Asked Questions
How many RTO codes are there in Tamil Nadu?
Tamil Nadu has 152 RTO codes in this directory, covering regional transport offices, district transport offices and unit offices. Number plates in Tamil Nadu start with the TN prefix.
How do I find the RTO code for my vehicle in Tamil Nadu?
Check the first two letters and number on your plate — for example TN 12. The full list of Tamil Nadu RTO codes is on this page; the search tool on the RTO Code Search homepage also resolves any Tamil Nadu code instantly.
What is the plate prefix of Tamil Nadu?
Vehicles registered in Tamil Nadu carry the TN prefix on their number plates. Every RTO code listed on this page belongs to Tamil Nadu.