Who called from 4258403310

Is this another scam number?

Called the number back it said invalid number. They did not leave a message.

I have told these scammers at least 4 times to stop calling me, that I know they are scammers & the medical procedure they claim that makes me qualified for some grant, well, I have NEVER had such a procedure. They are very rude when you ask them to stop calling AND they DON'T stop calling.  Does anyone know what agency we can turn the number in to?