Calling Card Online

What would be best and easiest to use if you are calling the US from Aruba?http://www.cellularabroad.com/travelocity/compare.php?destination=48&weeks=1&phones=1On the calling card , if it is $30, how many minutes of talk time do you get?

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10pts! Calling Card, Sim Card, Or Rent A Phone? – Aruba – 10pts …