AllUsers will see your Telegram contacts will getnew number if they have it in their address book or your newprivacy settings allow them to see it. You can modify this in Settings > Privacy and Security > Phone number added to their address book, provided they had your old number and you haven't blocked them in Telegram.
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Все ваши контакты с Telegram получат ваш новый номер, добавленный в их адресную книгу, при условии, что у вас есть свой старый номер, и вы не заблокировали их в Telegram.
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Eric Kotato,
Dec 10, 2018 at 18:31