Verizon and Sprint iPhones use CDMA technology. IF your phone is eligible, you can use your Sprint iPhone with the Straight Talk Sprint-compatible. Verizon iPhones will use Straight Talks Verizon-compatible network if they are eligible. Straight Talk does not say how they determine eligibility.

Can I use a Verizon phone on Straight Talk?

It is possible to use your Smartphone with Straight Talks Verizon which means all the Verizon phones are fully compatible with the Straight Talk. All you would need to do is to replace Verizons SIM card with the Straight Talks one. You can get a SIM card for Straight Talk directly from Walmart.

How do I transfer my number from Verizon to Straight Talk?

How to Convert Verizon Wireless Phones to Straight TalkEnter *#06# into your phones keypad. Contact Verizon Wireless. Reboot your phone. Remove the protective cover from the back of your phone. Contact Straight Talk at 877-430-2355. Choose a plan. Insert the Straight Talk SIM card into your phone. Turn on your phone.