Iritated and harrasing Comapany

They irrating, and harrasing me, i have told them more then once i do not want to use their services, i do not even know how they got ahold of my number. I have blocked them on true caller, but they keep phoning. It seems like they have more then one telephone number. They do not care what time of the day they are calling, the staff are arrogant and have no customer relations, this is the worst company ever. I some one said no, then it is no. They do not even deserve one star, they deserve a zero.