Can i activate a verison sim card in to an at&t phone
Since you created your post in the iPhone 4 space, i wonder if you are thinking about inserting the SIM card in an ATT iPhone 4. This will not work. The Verizon SIM card will want to connect the CDMA network used by Verizon and the ATT branded phone don't have the hardware or have their IMEI number in the Verizon database.
No. I think you can with the iPhone 5s but it would have limited use.
Good Luck
