Need Help In How it is done

I see so many spotify, fitbit urls which are being used for promoting toll free number for several brand support as support number .

i need to know how it is done I tried searching here and there but could not get any idea about it .

I need help and understanding how it is done and how come when you click on list it always says "post has been removed " but still you are able to see them in google at 1st and 2nd rank .