How long to swap over a number with a PAC code

[MSF]

@DutchHolland003  Just like it says here: https://help.smarty.co.uk/en/articles/7019273-keeping-your-number?_gl=1*1f8ooqi*_gcl_au*ODk2MDg5MTEy....

Smarty put all of this info on the website to make things easier.