3504 5704 — Spam Report / 垃圾電話報告

About this number / 關於此號碼

Many reports treat 3504 5704 as an unknown nuisance call that deserves caution, typically framed around cold-call marketing from an unclear source. When the script does not match a service you actually use, hang up and contact the organisation directly. Your report can help other users build a fuller picture of how 3504 5704 behaves.

3504 5704 常被回報為令人戒備的不詳滋擾來電，多以來電者背景不明卻急於推銷開場。 若對話內容與你印象中的服務不符，先掛線並聯絡相關機構查證。 你的回報可協助其他用戶更全面了解 3504 5704 的行為模式。

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.