lilli - how much did you plan cost you in Canada. It's not just does it work - but how much it cost. Eastern Canada including Toronto it's suppose to not cost anything extra. My bill came in today, but all calls while we were in Canada were no included in the bill (???). Perhaps because it uses another network, there is a delay and our billing cycle closed the day we left - 11/17.
Your best bet is to ask people in your home town how they like their service - what they have, what kind of reception they get, where else in the country they've use it, etc. What they like and what they don't like about their service. Then - when you decide based on service, ask if anyone has got miles.
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Ms.DtG