Please I’m in Nigeria make my mtn line active

I need to activate roaming on my line in the US. I did not activate roaming before leaving Nigeria. Is there a way to still get that done while I'm here? # Activating roaming...

Sir Alex David

#lost Sim in diaspora #lost Sim after mtn keep my number

Hi, I lost my sim in Dubai where I'm residing currently. Can you help me activate keep my line