https://www.koodomobile.com/en/help/your-koodo-bill-after-you-cancel#:~:text=Receiving%20a%20credit%20after%20cancelling,in%203%2D5%20business%20days.

• Receiving a credit after cancelling your Koodo services: Any amount above $5 remaining on your account for unused days will automatically be refunded to you through your pre-authorized payment method in 3-5 business days. If you haven’t enabled pre-authorized payments, you’ll receive the refund by cheque, which can take 30-60 days. Heads up! Please make sure the contact information and pre-authorized payment method we have on file for you is up to date.