To receive your PAC code
dial 43431 from your handset
You'll receive a text with your PAC code
or you can log in herehttp://j.mp/pac-code-request
And "click request PAC code"
After requesting the code by phone or online, it'll show under your username on your my giffgaff page and be valid for 30 days, after which it'll expire and you'll need to request a new one
When you port / transfer your number away to another network you'll lose any remaining
credit goodybag or payback on your account