Who called from 5034571074

Says you have a received a marketing call thank you for calling back after I answered the call and they hung up on me

I keep getting calls from this number on my cell phone. I do no want to receive their calls.

Been getting calls from this number several times a day for 4-5 days. Haven't answered,concerned about some kind of flim flam.

Calling my number several times a day.  What is this?

Getting this call 4 or 5 times a day. I got annoyed and called back but they hung up