Answered question
Ive been with fizz for over 6 month and still dosnt have the option invite a friend.
It blows my mind so many problems
In your Fizz account, left side there is a section "Invite friends".
See attachment.
Other answers
The referral program was suspended because of stabilization period, but it should be back by now. Contact support to confirm https://fizz.ca/en/contact-us
You should see under my profile
The button which reveals your referral code can be found in your Overview page at the bottom and also at the bottom of Community hub page.