How to Get Your SIN
Your Social Insurance Number (SIN) is a 9-digit number required to work in Canada and access government programs.
Cost: Free
Time: ~20 minutes
1
Gather Documents
You'll need your passport and work permit, study permit, or permanent residence card.
2
Visit Service Canada
Find your nearest Service Canada office. No appointment needed in most locations.
3
Complete Application
Fill out form NAS 2120. Staff can help if you have questions.
4
Receive Your SIN
Your 9-digit SIN is printed on a letter. Store it securely—never carry it in your wallet.
Important: Never share your SIN unnecessarily. Employers, banks, and government agencies may need it, but most other businesses do not.