StraightTalk help

[mk2fast6]

hey guy been a regular viewer of this site for years but had to post a specific problem Im having now hopefully you guys can help me. So I was using straighttalk with my verizon iphone 5c for a long time until a few weeks ago when i submerged it in water RIP lol anyways I saved up enough to buy a verizon iphone 5, and i put my sim card from the 5c in it set it all up and it says no service not no sim but no service. I thoughthat it would be plug and play? i did go to unlockit.co.nz and do my apn settings so now i can use facetime and imessage over wifi but thats it can anyone help me get service or do i need to resell this UGH so frusrtating college kid hasnt had a phone for a month i feel like a crying teenage girl right now