自稱來自國泰世華，我未回應即被掛斷，且本人沒有國泰帳戶，顯示為詐騙，銀行不會主動聯絡非客戶。
Reverse Phone Lookup in Taiwan — Recent Community Reports
Check unknown Taiwanese numbers with recent reports (Taipei, Kaohsiung, Taichung, Tainan, Hsinchu) and share your experience.
Unknown calls in Taiwan
Unsure about a Taiwanese number? Explore concise community notes to judge calls and texts. In Taipei, Kaohsiung, Taichung, Tainan and Hsinchu you’ll see both legitimate callbacks (deliveries, banking, appointments) and waves of robocalls or phishing. Prefixes like 02 (Taipei), 07 (Kaohsiung), 04 (Taichung), 06 (Tainan), 03 (Hsinchu) and mobile ranges 09xx are useful context but not proof of origin due to portability and VoIP.
Verification: return calls via the official number listed on the provider’s website/app, check in‑app notices and never share one‑time codes by phone. Use device/carrier blocking for repeat issues and leave a short, factual note here to help others.
886277381183
其他
他家剛好有喪事，真是難過。
同樣曾接到來電，只是未接聽，感謝各位。
886970712818
其他
向使用者表達歉意
886970712818
其他
抱歉造成困擾
886970712818
安全
此號碼相當可信
886970712818
安全
很抱歉
永豐銀行的信用卡優惠多
永豐銀行的網上服務很便利
永豐銀行在我眼裡很專業
這間永豐銀行服務不錯
永豐银的服務質量值得信賴
我對永豐銀行印象良好
永豐銀行的客服回應很快
886911341949
Silent Call
持續詢問是否聽見，結果被掛斷。
此号码为永丰银行的服务电话。
这家永豐銀行的来电别忘了留意，呵
那通永豐銀行的客服電話讓人頭疼，哎呀。
这家永豐銀行值得关注，嘿
這通永豐銀行的電話真的讓人抓狂，哎呦。
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FAQ — Taiwan
How to verify callers in Taiwan?
Use the official number from the company website/app; avoid calling back the unknown number; check in‑app messages.
Do prefixes prove location?
No. Portability/VoIP make 02/07/04/06/03 and 09xx ranges unreliable as proof.
Common patterns?
Delivery updates, bank callbacks, 2FA codes; robocalls, parcel/account phishing and scripted sales.
Helpful report details?
Caller type, purpose, date/time, and cues that guided your decision.