3897 5517 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

3897 5517 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. In the available reports, 3897 5517 usually focuses on 推銷 related promotions or checks. The calling pattern of 3897 5517 has prompted several lookups from the community.

社群回報顯示 3897 5517 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。 回報資料中，3897 5517 的目的多與 推銷 推廣或核實有關。 3897 5517 的來電模式吸引了部分接聽者主動查找資料。

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.