3504 6643 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

Many reports treat 3504 6643 as a suspected scam junk call, typically framed around threatening prompts designed to rush the recipient. When 3504 6643 appears in the call log, many users review available reports first. Records suggest 3504 6643 approaches conversations the way many Alert callers do.

3504 6643 常被回報為帶有欺詐傾向的滋擾來電，多以偽冒客服或政府部門的錄音內容開場。 當 3504 6643 出現於通話紀錄時，不少人會先查閱舉報內容。 相關紀錄顯示 3504 6643 與 提高警覺 行業的接觸方式接近。

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.