Please enter your phone number starting with it's international code, and please leave off the zero at the start
of the number.
Examples:
Your phone number is 07930 123456, and you're from the UK (international code +44).
Please enter your number as 447930123456
Your phone number is 07922 999888, and you're from Ireland (international code +353).
You would enter your number as 3537922999888
