If it isn't accepted instantly in the Discover network, it should really operate from the Diners Club community. I wouldn't rely on it as my sole card (just like Amex) in Canada, but considering that essentially everything is contactless up there, as with Amex I would just try out https://augustapreciousmetalsstor77776.bloguerosa.com/38327808/detailed-notes-on-view-company-profile