Maybe you signed up for a sunroom or siding "estimate" from UEC in Sam's Club or Home Depot. We did, and okayed a salesman's visit. Don't do it unless you know you're going to buy, because our salesman turned very nasty and belligerent when we would not commit to a sale right then!
This number calls my house at least 3 times a day and no one leaves a message. They are now calling my cell phone, and I am on a no call list.
Calls a few times a day. I don't answer, they don't leave message.
This number calls me at least twice a day I never answer and they never leave a message.