3897 5566 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

3897 5566 often repeats third-party product or service pitches and follow-up booking requests, which is why many users read it as a negative outsourced marketing call. Existing reports tend to connect 3897 5566 with 推銷 style outreach. People often look up 3897 5566 to understand the context behind the call.

社群回報顯示 3897 5566 多以第三方產品或服務促銷與即場答應優惠作招徠，屬偏負面的外判銷售來電。 現有資料多把 3897 5566 與 推銷 類型的來電聯繫起來。 不少人搜尋 3897 5566 來了解這個來電背後的情況。

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.