How do I find out if can get the service

You need to simulate the subscription

Go to http://www.fizz.ca/internet
Pick a plan
On the next step enter your address

If the Vidéotron cable is available Fizz must be available too.

If you need a referral code, in order to receive 25$ at your 3rd payment
https://community.fizz.ca/questions/2198337-place-referral-codes

yes you can pick mine

Thank you !