You can choose a username on **Telegram**. If you do, other people will be able to find you by this username and contact you without knowing your phone number.
You can use **a–z**, **0–9** and underscores.
Minimum length is **5** characters.
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你可以喺 Telegram 上起一個用户名。起好之後，用户就算唔知你嘅手機號碼，都可以用呢個用户名揾倒你，仲可以即刻 send message 畀你。
你可以用 **a–z**、**0–9** 同底線；用户名至少要有 **5** 個字。
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Tony Wong,
Feb 8, 2023 at 14:40