3897 5597 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

3897 5597 often repeats third-party product or service pitches tied to referral arrangements, which is why many users read it as a negative outsourced marketing call. Even after blocking 3897 5597, check back occasionally for new community reports. If 3897 5597 keeps calling, most users want more context before answering again.

3897 5597 這類來電多與第三方產品或服務促銷相關，普遍被視為偏負面的外判銷售來電。 把 3897 5597 加入個人黑名單後，仍可定期查看是否有新回報。 如果 3897 5597 持續來電，通常代表接聽者希望先核實其背景。

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.