2156 8421 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

This caller 2156 8421 is usually associated with vague identity checks, money requests, or abnormal alerts and is widely seen as a nuisance call that raises red flags. If you have answered 2156 8421 before, adding your own report can help others identify the same pattern faster. When the script does not match a service you actually use, hang up and contact the organisation directly.

2156 8421 的通話內容常與未經確認的優惠、通知或資料核實有關，整體帶有令人戒備的滋擾來電的特徵。 若你曾接聽 2156 8421，補充回報內容亦有助其他人更快辨識同類來電。 若對話內容與你印象中的服務不符，先掛線並聯絡相關機構查證。

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.