Mtn just does not care

I am being harrasred by a ******** and my time is being wasted and mnt is profeting from this and refuzing to help me although i am a paying loyal customer

somebody is constantly phoning me +***7 +***1 +***4 +***2 +***2

i cant block the number as each time they call with a differnt number cant find it on google or true caller

i need to find out what company this is so that i can get them to stop it