You'll need to send a private lessons to Koodo via Facebook Messenger or DM via Twitter or call 611 to speak with billing and work out alternate arrangements. It's great that you're asking and being pro-active. Koodo will definitely work with you to find a solution.
I noticed that you put down prepaid. You can let it go or switch to a lower tier prepaid option. If you top up within 90 days you keep your number so worst comes to worst your device stops until you pay for a month again.