Filling Spanish locator forms

[Grozz]

When filling spanish locator form im asked for phone number but in the dropdown list for prefix number, all i can find is GG+44 is this correct

[Mosser55]

Thank you

[2catsand2kids]

It’s GB +44.

[Mosser55]

Can anyone tell me what’s the prefix for my phone on the Spanish locator form
The drop down list has letters as well as numbers
I know it’s 44 but what are the letters

[Grozz]

i know +44 is correct but what about GG that comes before it

[Blankspace4]

Yes plus 44 is UK code