Who called from 7204108691

My phone rang 4 times.  I did not answer.  No voicemail left.  I suspect spam since I received 2 other calls with a very similar number.  Will report those on here as well. 720-410-8726 and 720-410-8687.

2 calls from this number today without any voicemail.  suspicious to me.  annoying.

I got four calls from this number today. Never any messages.

Have never received a call until this week and in the last 2 days i have received 5 missed calls with no voicemail from this number and similar numbers.