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Tamil Nadu · TN · 147 RTO offices
Every TN RTO code in Tamil Nadu, the city or office it points to, and the number of fancy registrations currently available there. Use this page to check which town a code like TN1 belongs to — or to find the right RTO for your district.
Examples: TN1 is Chennai (Central) RTO in Chennai; TN36 is Gopichettipalayam RTO in Gopichettipalayam; TN64 is Madurai (Central) RTO in Madurai; TN516 is Arani RTO in Arani; TN593 is Kangeyam UO in Kangeyam; TN617 is Vedachandur UO in Vedachandur. Tap any code below to see today's fancy 4-digit number list at that RTO.
Every vehicle registered in Tamil Nadu carries a number plate that starts with the state code TN followed by the two- or three-digit RTO code, then a letter series, then a 4-digit number — for example TN1 XX 9999. The RTO code identifies which transport office issued the registration, which in turn tells you the city or district where the vehicle was first registered. Tamil Nadu has 147 active RTO offices.
Tamil Nadu has 147 active RTO offices that issue vehicle registrations under the TN state code. Each office has its own numeric RTO code that appears on the number plate after the TN prefix.
TN1 is the registration code for Chennai (Central) RTO, the Tamil Nadu transport office in Chennai.
TN36 is the registration code for Gopichettipalayam RTO, the Tamil Nadu transport office in Gopichettipalayam.
The RTO code tells you which transport office issued the registration — which in turn identifies the city or district where the vehicle was first registered in Tamil Nadu. The format is TN <RTO code> <series letters> <4-digit number>.
Use the table above — every Tamil Nadu RTO is listed with the city or area it serves. You can also use the cross-state RTO finder to type a city name and jump to the right code.
RTO codes and office labels sourced from the official Parivahan listing for Tamil Nadu. Live counts reflect the latest daily ingest — refresh later in the day to see new numbers as offices release fresh series.