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RTO codes in Sikkim

Every Sikkim registration plate opens with one of these 8 codes, SK-01 through SK-08. Paste a plate to see which office issued it.

RTO codes →

Questions people ask

How many RTO codes does Sikkim have?

8 in our list, running from SK-01 to SK-08.

Which RTO is SK-01?

SK-01 is Gangtok, in Sikkim.

Codes are the only part of a registration number that means anything on its own. Office addresses and phone numbers go stale fastest; codes and districts rarely change.

Compiled 2026-09-01 from the consolidated public list. Codes are reassigned and offices open, so check with the state transport department before relying on this for anything official. Wikipedia, List of Regional Transport Office districts in India