3864 0020 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

3864 0020 often repeats fake authority claims, account issues, or verification requests, which is why many users read it as a high-risk suspicious call. Even when the tone sounds polite, sharing financial or identity details over the phone is risky. If you have answered 3864 0020 before, adding your own report can help others identify the same pattern faster.

若 3864 0020 再次來電，通常仍會以未經核實的金錢要求與個人資料索取為主軸，屬高風險的可疑來電。 即使對方語氣禮貌，也不建議透過電話披露財務或身份資料。 若你曾接聽 3864 0020，補充回報內容亦有助其他人更快辨識同類來電。

What to do / 應對方法

Do not return calls to unknown numbers. If you did not expect this call, it is best to ignore it. You can block this number on your phone.
不要回撥陌生號碼。如果你沒有預期此來電，最好忽略它。你可以在手機上封鎖此號碼。

How to block / 如何封鎖

iPhone: Settings → Phone → Blocked Contacts → Add New.
Android: Recent Calls → tap the number → Block / Report spam.