Who called from 9252733429

I have been getting calls the last few days including today at 238pm and 7:224pm plus the other days at my home number also,

Getting calls from this number 925-273-3429 on my home number and cell 5037093657

How do I find out who this no name person is>

I started receiving calls from this number a few days ago.  What company does this number belong to?
You get put on hold if you try to call it back.

Found out what this company does, they host "workshops" in your area on real estate, buying and selling, applying for federal grants, etc.