Thank you for your inquiry. The Vancouver Provincial STI Clinic is currently closed to walk-in appointments. In order to receive free testing through the clinic you need to call their STI nurses number at 604-707-5603. Through this number you can speak to a nurse who will give you a risk assessment, if deemed necessary they will schedule you an appointment for free STI testing.
Here is the link for the clinic and the address,
AIDS Vancouver Helpline/Online, Rashell
If you are satisfied with the Helpline service, please consider donating.