@feesaaa if brining number to giffgaff from another network the earliest date would be Monday next week sorry as transfers don't take place over weekends here's a full guide to transferring
please follow this guide to Transfers hello an welcome my friend .
you will need to first make sure your phone is on 02 or unlocked
an that you have requested a pac code from previous network
if need a giffgaff sim card order one here please
the date format is like this eg 18/03/2019
The form will always show the next available date for transfer
also remember to input your old networks number without gaps eg 07 then the other 9 digits