3851 3690 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

3851 3690 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. Records suggest 3851 3690 approaches conversations the way many Call Center callers do. The calling pattern of 3851 3690 has prompted several lookups from the community.

社群回報顯示 3851 3690 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。 相關紀錄顯示 3851 3690 與 外判推銷 行業的接觸方式接近。 3851 3690 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.