STATE & UT CODE DIRECTORY
Tamil Nadu RTO codes
Browse the vehicle registration codes and listed registering offices for Tamil Nadu. Open any code for its own explanation, related codes, and source notes.
88 listed codesTN prefix seriesSource checked 2026-08-13
REGISTERING OFFICES
Tamil Nadu registration codes
TN-01Chennai (Central): AyanavaramTN-02Chennai (North West): New Avadi RoadTN-03Chennai (North East): TondiarpetTN-04Chennai (East): Basin BridgeTN-05Chennai (North): KolathurTN-06Chennai (South East): MandavelliTN-07Chennai (South): ThiruvanmiyurTN-09Chennai (West): K. K. NagarTN-10Chennai (South West): ValasaravakkamTN-11TambaramTN-12PoonamalleeTN-13AmbatturTN-14SholinganallurTN-15UlundurpetTN-16TindivanamTN-18Red HillsTN-19ChengalpattuTN-20TiruvallurTN-21KanchipuramTN-22MeenambakkamTN-23VelloreTN-24KrishnagiriTN-25ThiruvannamalaiTN-27SalemTN-28Namakkal (North)TN-29DharmapuriTN-30Salem (West)TN-31CuddaloreTN-32VillupuramTN-33Erode (East)TN-34TiruchengodeTN-36GobichettipalayamTN-37Coimbatore (South)TN-38Coimbatore (North)TN-39Tirupur (North)TN-40MettupalayamTN-41PollachiTN-42Tirupur (South)TN-43Udagamandalam (Ooty)TN-45Tiruchirapalli (West)TN-46PerambalurTN-47KarurTN-48SrirangamTN-49ThanjavurTN-50TiruvarurTN-51NagapattinamTN-52SankagiriTN-54Salem (East)TN-55PudukottaiTN-56PerunduraiTN-57DindigulTN-58Madurai (South)TN-59Madurai (North)TN-60TheniTN-61AriyalurTN-63SivagangaTN-64Madurai (Central)TN-65RamanathapuramTN-66Coimbatore (Central)TN-67VirudhunagarTN-68KumbakonamTN-69ThoothukudiTN-70HosurTN-72TirunelveliTN-73RanipetTN-74NagercoilTN-75MarthandamTN-76TenkasiTN-77AtturTN-78DharapuramTN-79SankarankovilTN-81Tiruchirapalli (East)TN-82MayiladuthuraiTN-83VaniyambadiTN-84SrivilliputhurTN-85KundrathurTN-86Erode (West)TN-87SriperumbudurTN-88Namakkal (South)TN-90Salem (South)TN-91ChidambaramTN-92ThiruchendurTN-93MetturTN-94PalaniTN-95SivakasiTN-96KovilpattiTN-97AraniTN-99Coimbatore (West)
The first two letters identify the state or Union Territory in the code series; the following digits identify a registering-authority code. Names here are concise search labels and can be historical, statewide, or otherwise subject to change. Review the source notes and confirm current status with the transport department.
Data compilation attributed to TrafficChallan under CC BY 4.0. This is an independent directory, not a government website or vehicle-owner lookup.
Source compilation last updated 2026-11-01; state-specific verification level is shown above.