You can change your Telegram number
here. Your account and all your cloud data
— messages, media, contacts, etc. will be
moved to the new number.

[b]Important[/b]: all your Telegram contacts will
get your [b]new number[/b] added to their address
book, provided they had your old number and
you haven't blocked them in Telegram
Legacy string
Du kannst deine Telefonnummer hier ändern.
Dein Konto und alle Daten in der Cloud, also
Nachrichten, Medien, Kontakte, etc. werden
auf das neue Konto übertragen.
M70, Aug 15 at 08:10