Who called from 2066517533

This strange number called me a few times throughout the year. When I talk no one answers and then it says bye at the end and hangs up.

This number has been doing the same thing to me. Calls at various times of the day, and is silent when I answer.

Left no message

It's a Real estate company. I wanted info on a house I saw online for sale and it's the company that was listing it. They do check in often but if you don't want them to call you can just say so.