Contact the Social Insurance Number (SIN) Program

Do you have a question about your Social Insurance Number? The following frequently asked questions might help:

How do I apply for a Social Insurance Number?

What should I do if I don't remember my SIN number?

What should I do if I have not received my SIN card?

What should I do if my SIN card has been lost or stolen?

What should I do if I have found someone else's SIN card?

Where can I find more detailed information about this program?

Do you still have questions or need to talk to a service delivery agent?

Contact information for Social Insurance Number:

• Telephone
• Mail
• In-person

Contact information for other Programs and Services within Service Canada