Who called from 8017834198

Who in the heck is this?  They have called numerous times and don't leave messages and when you call back the only thing you get is an busy signal..Really starting to piss me off..to say the least.

we get a call from them two or three times aday from 8 in the morning till nine at night. I am sick of them and the others.

this number has been calling my cell & home number for over a year now,sometimes 6-7 times a day, bought an air horn ,to blast there ears ,bought no one ever answers, or cant return this calls