I'd do GoPhone if you need more coverage than T-Mobile will give you. $60 for 2 gigs isn't bad. And you're on the same APN as post-paid AT&T, so you get full ac

I'd do GoPhone if you need more coverage than T-Mobile will give you. $60 for 2 gigs isn't bad. And you're on the same APN as post-paid AT&T, so you get full access to LTE, etc.