There are two ways to find your return ID number: In the confirmation email you received when you unsubscribed from Fizz. By returning to the Fizz unsubscribe process. Once you’ve unsubscribed, you’ll be able to access a shortcut to your return ID number. To find your return ID number in your Fizz account: Log into your account and go to Manage . Click on Unsubscribe . Instead of the unsubscribe process, you’ll see a button that says: Cancel my unsubscription . Below this button, click on See instructions for returning my Wi-Fi modem . Here you’ll find return instructions, your unique return ID number and barcode. This barcode will allow Canada Post to print your return label for free. IMPORTANT: You are required to return your Fizz Wi-Fi modem within 15 days after your unsubscription date. Once your Wi-Fi modem has been handed off to Canada Post, keep the receipt you’ll receive. On it, you’ll find the tracking number to follow your package. Read more : I’ve unsubscribed. How do I return my Wi-Fi modem? I’ve unsubscribed and want to return my modem. Where do I find my return ID number? What size box do I need to return my modem ? Find a deposit location I’ve unsubscribed. I want to return my Wi-Fi modem, but it’s lost or broken.