Numbering of vehicle in India is done at Regional/Sub Regional Transport
Offices located in various states. Each vehicle number has prescribed
format. Take an example of a vehicle number TN-75 A 9999, where 'TN'
denotes state code for Tamilnadu State, '75' denotes RTOs code for
Marthandam, 'A' denotes series and '9999' denotes running
serial number between 1 and 9999.
| Regional Transport Offices | ||
Current Registration Series
|
RTO/SRTO Name
|
Old Registration Series
|
| TN-01 | Chennai Central (Chennai District) | MSP,MSV,MSY, MSL, TMP,TMV,TMY, TMU, TMQ,TMM,TMJ,TMF, TMS,TMD, TCX,TSE, TSB,TSH,TSL,TSP, TMB,TMS |
| TN-02 | Chennai North-West (Chennai District) | |
| TN-03 | Chennai North-East (Chennai District) | |
| TN-04 | Chennai East (Chennai District) | MST, MSW, MSS, MSR, MSQ, MSM, TMW, TMT, TMH TSC, TCZ |
| TN-05 | Chennai North (Chennai District) | |
| TN-06 | Chennai South-East (Chennai District) | |
| TN-07 | Chennai South (Chennai District) | MSC, MSX, MSZ, TMC, TMX,TMZ, TMS, TMR, TMO,TMK,TMG,TME, TCV,TSG, TMI,TSR,TST |
| TN-09 | Chennai West (Chennai District) | TMA, TCW, TSA,TSF, TSK, TSI, TSD, TSJ, TSO |
| TN-10 | Chennai South-West (Chennai District) | |
| TN-11 | Tambaram, Sollinganallur (Kancheepuram District) | |
| TN-16 | Tindivanam (Villupuram District) | |
| TN-18 | Redhills, Ambattur (Tiruvallur District) | |
| TN-19 | Chengalpattu, Madurantakam (Kancheepuram District) | |
| TN-20 | Tiruvallur, Poonamalle (Tiruvallur District) | |
| TN-21 | Kancheepuram, Sriperumbudur (Kancheepuram District) | MDH, TNH, TDH, TCH, TAH |
| TN-22 | Meenambakkam (Kancheepuram District) | |
| TN-23 | Vellore, Gudiyatham, Vaniyambadi (Vellore District) | MDJ,TNJ,TNM,TDJ, TAJ, TCJ, TAV |
| TN-24 | Krishnagiri (Krishnagiri District) | |
| TN-25 | Tiruvannamalai, Arani (Tiruvannamalai District) | TAI |
| TN-28 | Namakkal, Paramathivellore, Rasipuram (Namakkal District) | |
| TN-29 | Dharmapuri, Palacode (Dharmapuri District), Harur (Karur District) | MDD, TND, TDD, TCD, TAD |
| TN-30 | Salem West, Omalur (Salem District) | MDS, MDL, TNS, TNL, TDS, TDL TDM, TDW, TCE, TCS, TAS, TAN, TAL, TAM, TLS, TN-27 |
| TN-31 | Cuddalore, Chidambaram, Virudhachalam, Neyveli (Cuddalore District) | MDF, TNF, TDF, TCF, TAF |
| TN-32 | Villupuram, Kallakurichi, Ulundurpet (Villupuram District) | |
| TN-33 | Erode (Erode District) | TNQ,TDQ,TDX,TCQ, TAE,TAQ |
| TN-34 | Tiruchencide (Namakkal District) | |
| TN-36 | Gobichettipalayam, Bhavani, Sathiyamangalam (Erode District) | |
| TN-37 | Coimbatore South (Coimbatore District) | |
| TN-38 | Coimbatore North (Coimbatore District) | |
| TN-39 | Tiruppur North, Avinashi (Tiruppur District) | |
| TN-40 | Mettupalayam (Coimbatore District) | |
| TN-41 | Pollachi (Coimbatore District) | TCI,TAP |
| TN-42 | Tirupur South, Kangayam (Tiruppur District) | |
| TN-43 | Ooty, Gudalur (Nilgiris District) | MDN, TNN, TDN |
| TN-45 | Thiruchirappalli, Thiruverumbur, Manapparai (Thiruchirappalli District) | MDY, MDG, TNY, TNG, TNX, TDG, TCY, TDY, TAY, TAX, TAK |
| TN-46 | Perambalur (Perambalur District) | |
| TN-47 | Karur, Kulithalai (Karur District) | |
| TN-48 | Srirangam, Thuraiyur (Trichirappalli District) | |
| TN-49 | Thanjavur, Pattukottai (Thanjavur District) | MDO, TNO, TDO, TNZ, TCO, TAO, TLO |
| TN-50 | Thiruvarur, Mannargudi (Thiruvarur District) | |
| TN-51 | Nagapattinam, Mayiladurai (Nagapattinam District) | |
| TN-52 | Sangari, Mettur (Salem District) | |
| TN-54 | Salem East (Salem District) | |
| TN-55 | Pudukottai, Aranthang (Pudukottai District) | TNP, TDP, TCP |
| TN-56 | Perundurai (Erode District) | |
| TN-57 | Dindigul, Ottanchatram, Vadasandur, Batalagundu, Palani (Dindigul District) | TCL |
| TN-58 | Madurai South, Thirumangalam (Madurai District) | |
| TN-59 | Madurai North, Vadipatti, Melur (Madurai District) | MDU, MDA, TNU, TNA, TNZ, TNW, TDU, TDA, TCU, TAU, TAZ, TAA |
| TN-60 | Theni, Uthamapalayam (Theni District) | |
| TN-61 | Ariyalur (Ariyalur District) | |
| TN-63 | Sivaganga, Karaigudi (Sivaganga District) | TCA |
| TN-64 | Madurai Central (Madurai District) | |
| TN-65 | Ramanathapuram, Paramakudi (Ramanathapuram District) | MDR, TNR, TDR, TCR |
| TN-66 | Coimbatore Central (Coimbatore District) | TLB, MDC, MDE, MDM, MDB, TNV, TNE, TNB, TNC, TCI, TCC, TDE, TDB,TDL,TDI, TAG,TCG, TAB,TAR, TDC,TLS |
| TN-67 | Virudhunagar, Sivakasi, Srivilliputhur (Virudhunagar District) | TCM |
| TN-68 | Kumbakonam (Thanjavur District) | |
| TN-69 | Tuticorin, Tiruchendur, Kovilpatti (Thoothukkudi District) | TAC |
| TN-70 | Hosur (Krishnagiri District) | |
| TN-72 | Tirunelveli, Vallioor (Tirunelveli District) | MDT, MDI, TNI, TNT, TCT |
| TN-73 | Ranipet, Arakonam (Vellore District) | |
| TN-74 | Nagercoil (Kanyakumari District) | MDK, TAT, TCK, TDT, TNK,TDK |
| TN-75 | Marthandam (Kanyakumari District) | |
| TN-76 | Tenkasi, Ambasamuthiram, Sankarankoil (Tirunelveli District) | |
| TN-77 | Attur, Valapadi (Salem District) | |
| TN-78 | Dharapuram, Udumalpet (Tiruppur District) | |
| TN-79 | Sankarankoil (Tirunelveli District) | |
| TN-81 | Thiruchirapalli East, Thiruverumbur (Thiruchirapalli District) | |
| TN-82 | Maiyiladudurai/Mayiladuthurai, Sirkali (Nagapattinam District) | |
| TN-83 | Vaniyambadi, Tirupattur (Vellore District) | |
| TN-84 | Srivilliputhur, Sivakasi (Virudhunagar District) | |
| TN-85 | Kundrathur (Kancheepuram District) | |
| TN-86 | Erode West (Erode District) | |
| TN-88 | Namakkal South, Paramathi Velur (Namakkal District) | |
| TN-90 | Salem South (Salem District) | |
| TN-99 | Coimbatore West (Coimbatore District) | |
| TN-??G | Government Vehicles | |
| TN-??N | Tamilnadu State Transport Vehicles | MSN, TMN, TML, TCB |
