If I know well, there is no ROM with this function. On M2 Note it has a part in the menu but it is gray and unusable. I hope in the newest rom will be an option for this. Until then, try to change at your mobile service or use your country’s or mobile services’s prefix number to hide/send your number.
Have you tried to enable/disable CLIP/CLIR?
Usually, to enable CLIP, make a ‘call’ to the numer *31#.
You can ask your operator’s Helpdesk for the code to enabe CLIP or you can check from Wikipedia for a proper CLIP code for your country and operator: