What an exciting trip skrmt! I would love to go to France!
The good news is you have a Global phone; therefore, you will need to activate Global plan/ SIM card before leaving the U.S. You can view available plans here: http://bit.ly/ULTQnm You can also contact our Global team for activation at 800-711-8300 prior to the leaving.
I hope this helps & have a wonderful trip!
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I noticed the Z10 didn't come with adapters, which is odd considering all the old global BlackBerrys did. The adapter you'll need is one with two straight pins. I bought a bag of travel adapters that were labeled according to countries/areas, I think at a store like Target or similar.