http://www.ebay.com/itm/AT-T-ATT-Factory-Unlock-Code-Service-Apple-iPhone-5S-5C-5-4S-4G-3GS-3G-Cheapest-/231178930944?pt=LH_DefaultDomain_3&hash=item35d3568b00


http://www.ebay.com/itm/New-R-SIM-9-PRO-for-Iphone-4S-5-5S-5C-IOS7-GSM-RSIM-9-ATT-TMOBILE-VERIZON-/261424163616?pt=SIM_Cards&hash=item3cde182b20

Does it work for you???