FAQ OASI number

In the document below you will find answers to the most frequently asked questions about the AHV number:

  • What is the OASI number?
  • What if I am asked for my AVS number or my child's OASI number and I don't know it?
  • Do I have an OASI number (or does my child have one) and who created it?
  • How do I get my or my child's OASI number?
  • I have two different OASI numbers in my name. How do I know which one is the right one?
  • How do I order a new OASI card (insurance certificate)?
  • How can I have an error in the data on my OASI card corrected?
  • Can someone with my OASI number steal my identity?

The document is not available in English, but you will find it below in French, German and Italian:

Last modification 24.02.2022

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