Default Data roaming

Had Verizon for years, roaming in the US was free. Obviously forcing the phone to roam would result in bad things.

Does t mobile allow this in the US too? As in can I turn on the roaming feature and not get dinged?

Have the unlimited everything plan.

Sent from my SM-N900T using xda app-developers app
[Phone] Samsung Galaxy Note II
[Root] Jailbroken
[Recovery] TWRP 2.4.1.0
[Rom] Beans #7
[Kernal] Saber Kernel