Phone is locked to tracphone but there is a $40 annual plan available if you aren't just using it with wifi

$60-$15=$45
Enter code 60274 during checkout for $15 off

https://shop.tracfone.com/shop/en/tracfonestore/phones/tf-iphone-6-32gb

optional $40 annual plan (for *extremely* light usage)
https://www.ebay.com/itm/Tracfone-Prepaid-Wireless-Smartphone-Plan-SIM-1200-Min-1200-Txt-3GB-Data/283493024108