3504 5708 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

3504 5708 often repeats sales invites without clear identification, which is why many users read it as a common unidentified caller. If you do choose to answer 3504 5708, prepare an exit phrase before the call begins. If you have answered 3504 5708 before, adding your own report can help others identify the same pattern faster.

社群回報顯示 3504 5708 多以說法模糊的產品或服務推廣作招徠，屬偏負面的不明推銷來電。 即使選擇接聽 3504 5708，也宜在通話前準備好結束話術。 若你曾接聽 3504 5708，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.