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Sikkim · SK · 8 RTO offices
Every SK RTO code in Sikkim, 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 SK1 belongs to — or to find the right RTO for your district.
Examples: SK1 is RTO Gangtok in RTO Gangtok; SK2 is Gyalsing in Gyalsing; SK3 is Mangan in Mangan; SK5 is Namchi in Namchi; SK6 is Soreng in Soreng; SK7 is Pakyong in Pakyong. Tap any code below to see today's fancy 4-digit number list at that RTO.
Every vehicle registered in Sikkim carries a number plate that starts with the state code SK followed by the two- or three-digit RTO code, then a letter series, then a 4-digit number — for example SK1 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. Sikkim has 8 active RTO offices.
Sikkim has 8 active RTO offices that issue vehicle registrations under the SK state code. Each office has its own numeric RTO code that appears on the number plate after the SK prefix.
SK1 is the registration code for RTO Gangtok in Sikkim.
SK2 is the registration code for Gyalsing in Sikkim.
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 Sikkim. The format is SK <RTO code> <series letters> <4-digit number>.
Use the table above — every Sikkim 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 Sikkim. Live counts reflect the latest daily ingest — refresh later in the day to see new numbers as offices release fresh series.