Welcome to SINCanada.ca
There has been a lot of questions and mis-information on how to properly submit the online SIN application with the recent launch of online SIN application by government of Canada. This site is created to help answer general questions on Canadian Social Insurance Number application. SINCanada.ca is an independent blogsite that is not affiliated with the government.
New! SIN topics
SIN Online Application Overview
SIN Online Application Overview...
How to verify or confirm my Social Insurance Number
The company/employer can confirm the SIN of a current or former employee by contacting Service Canada at 1-866-274-6627. If calling from outside Canada, please call 506-548-7961 (long distance charges apply). Employers will need to provide their business number issued by Canada Revenue Agency, along with necessary information to verify the identity of their company as...
SIN Paper Application Form (NAS2021)
SIN Paper Application Form (NAS2021)...
View my SIN through My Service Canada Account
View my SIN through My Service Canada Account...
How to replace my Social Insurance Number (SIN) card?
How to replace my Social Insurance Number (SIN) card?...
How to Cancel a Social Insurance Number (SIN) Due to Death in Canada | 2026 Guide
Learn the essential steps to cancel or deactivate a Social Insurance Number (SIN) after a loved one passes away in Canada. Protect the estate from identity fraud and understand provincial vs. territorial reporting requirements...
SIN start with number 1 for people in Ontario
SIN start with number 1 for people in Ontario...
Service Canada 2026 Statutory Holiday Closures & Office Hours Guide
Plan your government service visits with our detailed 2026 Service Canada holiday closure schedule. Learn how federal office closures affect EI, CPP, and OAS payment dates and processing times...
How long does it take to process a SIN number
How long does it take to process a SIN number...
Social Insurance Office contact number
Social Insurance Office contact number...
Social Insurance Number Eligibility
Social Insurance Number Eligibility...
Proof of address for Social Insurance Number SIN application
Proof of address for Social Insurance Number SIN application...