I wish to change my cell number since I go to school in Southern CA now.Â
I plan on buying a SIM card w/ a number from ebayÂ
 http://cgi.ebay.com/CHOICE-310-310-XXXX-LOS-ANGELES-AREA-CODE-SIM-CARD-212_W0QQitemZ180419937492QQcmdZViewItemQQptZSIM_Cards?hash=item2a01ddc4d4#ht_1667wt_1167
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Will this work with my iPhone? Do I just call AT&T?
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THANKS!Â

