Who called from 9175127782

Called twice and sent a text all at 2:30 in the morning giving me an activation code number and thanking me for using their service.  I never contacted them for any service!!

Also received text and call with 4 digit activation code Didn't say for what.

Received call and text with activation code (6 digits) at 4:30am.  They were from 2 different phone numbers.  Nothing was initiated from me.

I just received a call at 4:16 right after a text was sent first what is this

Received a call at 1am, given a code number that I never ask for it. I do not know what is it about.