It's a telemarketing company.
They usually ring when its dinner time!
I have now told them I will give the number to the Police if they ever ring again, as I have asked now three times for them not to call my number anymore.
They hung up on me :)

Someone from this number keeps calling and when I answer they hang up!!

Glad to see your message Rob, I've also received 4 calls without messages in the month of September, I can't work out who this is

Has rung 3 times without leaving a message.