A lot does depend on where you will be traveling, as some plans work better in some areas than others. Nextel is the only one that I have found that can be used in parts of Canada. I'm waiting for my bill, but it's suppose to be free "a local call is a local call" and calling back to the states is 20 cents. Other plans are about $1 a minute. On the other hand you need to be in the vicinity of highways, or it might not work. I was in Taos and my nextel didin't work, but my friends cingular one did. You really have to be thorough in your questions of each cell phone plan and not worry about miles. I was able to get 5K miles on Delta (or United) in response to an offer for Nextel. Also, they do not charge for unanswered calls and charge when the call is answered. Most other plans charge an unanswered call after 30 seconds. If I were you, I'd go to each cell company in your location and ask alot of questions. When you find the plan that fits your needs, then come back and see if there are any mileage offers for that company.

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Ms.DtG