未知來電的銷售專線打來，推銷的產品我根本不感興趣，感覺被打擾了。
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.
收到這類詐騙短信真的讓人心裡發毛，建議大家直接拉黑。
CHT 中華電信的來電很可信，訊息清楚明確。
依據本公司通知，您所欠遠傳門號0938XXX350的帳款尚未結清，將依個資法規定向法院申請強制執行。為免影響您的權益，請於今日回撥法務專員02-28330142分機2001或專線02-28375280。
來自台鹽生技的訊息。
886907635497
电话营销
一次接聽後，就不斷收到類似的來電。
冒充戶政人員的手法令人反感。
冒充戶政人員的來電
冒用「中國信託客服部」官方網站大量發送簡訊，內容如「立即申請中國信託ATM LINE服務，優惠券與ATM交易通知會透過LINE發送！（當日有效）」，連結 https://ctbc.tw/QmW818...，實屬詐騙集團釣魚訊息，誘導點擊竊取個資，千萬別受騙。
該號碼屬於詐騙，PTT揭詐團提醒大家注意安全，IP為211.72.124.232，如有協助阻擋詐騙，請點擊連結加分。
此號屬於詐騙電話，money swindling call，PTT檢舉團提醒勿受騙。會員IP為223.140.240.216，保證將每通詐騙電話舉報給警方。
此號0972477203屬於詐騙，PTT揭詐團警示勿輕信，會員推廣連結27.51.1.124歡迎點擊加分。PTT.cc乃國立台大BBS，可信度高。
煩人的廣告電話又來了，實在讓人受不了。
886225337700
诈骗
此號碼可能出現在詐騙訊息的客服聯絡清單中。（0800的電話與全聯客服相同，但此市話號碼的真偽尚未確認）
該號碼為中華電信客服專線。
國泰世華行銷部的市場調查電話還算禮貌，問題設計也很合理。
建議不要接聽0958847359的來電，也別盲目相信電話或簡訊內容。我的檢舉網站代碼是103.36.25.80，歡迎大家前往舉報詐騙電話。
富邦的來電很可靠，說明清楚，讓人感覺安心。
板橋地區的中華電信安裝服務專線
此號0968006647屬於國泰世華銀行的廣告來電，非必要可不接。PTT檢舉團網站IP為220.128.198.204，歡迎點擊加分。
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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.