How do I change my mobile number? Alina 20 December 2022 15:15 Updated To change your mobile phone number please send us a recent invoice of your provider showing your full name and phone number here. In case you have a prepaid number, please send us a picture of the prepaid package displaying your new phone number, together with your ID on the side. Related articles How can I change my password? Track your email requests with our new feature "My activities"! How can I change my address? How much credit can I get? How is VIABUY applying GDPR? Comments 0 comments Article is closed for comments.