Hi Sultano,
Thank you for reaching out to us in our community and welcome, I am sorry to hear you have been receiving unwanted calls and haven't been able to arrange changing your number.
I have managed to find your account and it looks like you still haven't managed to speak to us, I will be happy to help to do this I will need account details and clear security, I will send you a invite to a chat, please click on the purple envelope to accept.
Regards
Paul.