This site is not an official Government of Canada website. It is not affiliated with the Service Canada Passport office. For official information, visit Canada.ca
This site is not an official Government of Canada website. It is not affiliated with the Service Canada Passport office. For official information, visit Canada.ca
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
How to Protect Your Social Insurance Number (SIN) in Canada 2026
Learn how to protect your Social Insurance Number (SIN) in Canada, identify legal usage requirements, and respond effectively to SIN fraud or identity theft...
New Ontario permanent SIN numbers start with 1
Learn why Service Canada now issues SIN numbers starting with 1 in Ontario. Find out about regional prefix rules, capacity limits, and SIN verification...
Canada’s 2026 TFWP Wage Thresholds: New Rules for Employers
Canada has raised 2026 TFWP low-wage wage thresholds and tightened LMIA rules. Learn new caps, regional freezes, and employer obligations to stay compliant...
Social Insurance Number Eligibility
Social Insurance Number Eligibility...
Social Insurance Office contact number
Social Insurance Office contact number...
Proof of address for Social Insurance Number SIN application
Proof of address for Social Insurance Number SIN application...
SIN Paper Application Form (NAS2021)
SIN Paper Application Form (NAS2021)...
How to Renew a Temporary Social Insurance Number (SIN) in Canada Before It Expires
Are you a temporary resident in Canada looking to update your Social Insurance Number (SIN)? Learn the exact steps, required documents, and processing times to successfully renew your 9-series SIN before or after it expires without disrupting your authorization to work...
How long does it take to process a SIN number
How long does it take to process a SIN number...
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...
Canada Day Holiday Social Insurance Office closure
Service Canada center lineups and SIN call lines close July 1, 2026, for Canada Day. Discover online application rules and how to beat post-holiday wait times...
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...