Many of you know that a call to an 0800 number is going to be free so we will be drawn to call a business that employs that type of number.  It is an appealing factor that connects people to a business.Owning an 0800 number is a good idea especially to promote a business. Use it on all your marketing and on your site. A study by the Institute of Direct Marketing found that calls can grow by as much as one hundred and eighty five percent should you employ an 0800 number.0800 numbers are going to be beneficial for a business as it can increase the amount that they revenue every month from £5,000 to fourteen thousand two hundred and fifty pounds.