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The Global Insight

How do I find a missing Social Security number?

Author

Mia Phillips

Updated on March 06, 2026

If you were assigned a SSN at some point in your life, but you don’t know it now, you need to request a replacement card. This is the only way to get your number because the Social Security Administration (SSA) does not give out Social Security numbers any other way.

How do I recover my Social Security number in Canada?

If you don’t remember your SIN, you can find it on your income tax return or you can request a confirmation of your SIN from Service Canada. For more information on how to get a confirmation of your SIN, see the What you need before you apply web page.

How do I find my SIN number online?

Check your records for either your card or confirmation letter. On CRA documents: Your SIN is used to identify you with the Canada Revenue Agency (CRA) so you’ll find your SIN number on the first page of your tax returns and on any other documents or correspondence from the CRA.

WHO issues your Social Security number?

the Social Security Administration
The number is issued to an individual by the Social Security Administration, an independent agency of the United States government.

Can I get proof of my Social Security number online?

The public can get an instant verification letter online with a personal my Social Security account, or they may continue to call us toll-free to request a letter by mail. Our local offices will continue to assist members of the community.

Can I get a digital copy of my Social Security card?

After signing in to your personal my Social Security account at select the “Replace Documents” link on the upper right-hand side of the screen, and then select “Request a Replacement Card.”

Does Service Canada still issue SIN cards?

Service Canada is now issuing SINs in paper format (confirmation of SIN letter). Production of the plastic SIN card has stopped, however, SIN cards that are not expired and are currently in circulation can still be used. For more information, please contact the Social Insurance Number Program.

Can I update my SIN online?

Applying for a SIN You can apply online or by mail to: to amend your SIN record.

How can I check my SIN number status?

How can I check the status of my child`s SIN application? You can check the status of your child’s SIN application by contacting Service Canada at 1-866-274-6627.

Where can I get Social Security number in Canada?

Individuals residing in Canada who require social security services or have questions about SSA benefits must contact their nearest SSA field office in the United States. The United States Embassy and Consulates across Canada can no longer accept telephone calls, emails, or walk-in consultations regarding Social Security issues.

Where can I get help in finding housing in Toronto?

There is support available when you are looking for housing. You can get support from a Housing Help Centre located in your community by calling 416-285-8070 or visiting a location close to you to get assistance finding housing that suits your needs.

What kind of Social Security do seniors get in Canada?

Most Canadian seniors are eligible for Old Age Security, a taxable monthly social security payment. In addition, most former workers can receive Canada Pension Plan or Quebec Pension Plan benefits based on their contributions during their careers.

Why do I need a Social Security number?

SSA uses SSNs to report wages to the government, track Social Security benefits and for other identification purposes. Every F and M student who U.S. Citizenship and Immigration Services (USCIS) grants employment authorization to needs an SSN.