Service Canada offers an automated telephone service that provides general information about Old Age Security (OAS) and the Guaranteed Income Supplement (GIS), Allowance and Allowance for the Survivor, including how to apply. It is available 24 hours a day, 7 days a week.

When you call, you can also use self-service options to:
  • check your application status
  • confirm your monthly payment amount and date
 To get more information or make changes to your account, you may speak with an OAS representative during business hours.To access information about your account, you will need to provide your Social Insurance Number (SIN) and other personal information.