Who called from 2532446155

Any idea who could call from this phone number.

My Mr number program tells me that this number is spam identified by other callers

This number keeps calling.  Same thing. Hangs up.  repeatedly

Just received a call from this number. No message left by caller.

I have got several calls from this number, they never leave a message and when I answered it, there was only silence on the phone for about 2 seconds and then disconnect. I have assigned this number is my blocked list. This is a business phone number here.