You might need the  insurance policy number on the following occasions

• Renewing or updating your insurance policy

You need the policy number when you go for the policy renewal or update. It may be needed to verify your previous / current policy. Furthermore, you can check if you can get a no claims discount or not.

• While processing a claim

When you submit a claim request, you need a policy number to claim your damages from the insurance company.

• Applying for duplicate policy document 

If you have lost your  insurance policy document, you may need your policy number to give to the insurance company to issue a duplicate copy of the insurance policy document.