收到的恐吓电话让人不安，最好报警处理。
Reverse Phone Lookup in Mainland China — Recent Community Reports
Check unknown Chinese numbers with recent reports (Beijing, Shanghai, Guangzhou, Shenzhen) and share your experience.
Unknown calls in Mainland China
Unsure about a number from mainland China? Explore concise community notes to judge calls and texts. In Beijing, Shanghai, Guangzhou and Shenzhen you’ll see both legitimate callbacks (deliveries, banking, appointments) and waves of robocalls or phishing. Prefixes like 010 (Beijing), 021 (Shanghai), 020 (Guangzhou), 0755 (Shenzhen) and mobile 13x/15x/18x ranges 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.
这个号码打来是付费电话，接了之后就开始推销什么会员服务，感觉挺烦人的。建议大家别接这种来电，以免被骗钱。
Beim Durchstöbern von VIPcars zur Anmietung, kurz bevor ich buchen wollte, änderte ich meine Entscheidung und erhielt dann einen Anruf von denen – wirkt nach Datenklau, oder?
Received an extremely aggressive call about trips supposedly won through another travel agency. The site linked to this number, monsterrg, pretends to be legitimate but is not.
虽然是未知号码，但这通值得信赖的电话语气专业，信息可靠。
Trotz Sperrung und Werbeverbots geben sie nicht auf – ein Ärgernis!
Assistenza OpenFiber的来电感觉正规，但没有明确说明目的，建议先确认身份。
这是一个付费电话，接起来就要求付费咨询，不知道是什么服务。建议大家小心接听，避免不必要的花费。
Chiamata fastidiosa con insulti e minacce.
埃内尔能源的销售热线推销力度很大，感觉有点强硬。
Enel energia的来电身份不明，让人有点疑惑。
冒充杭州市通訊局，别上当！
Chiamano a nome di TIM per proporti nuovi contratti per la fibra
接到了一个付费电话，号码显示未知，不知道是什么服务。感觉有点可疑，建议大家小心接听。
市场调查，觉得挺有意思的。
Enel energia的恐吓电话，声称电费欠缴并威胁停电，明显是诈骗。
这个号码打来是Fuffa telefonica，感觉很烦人。不知道是什么类型的电话，一直在骚扰。建议大家拉黑它。
广告电话太多了，真烦人！
Ping通话，没人接，真是奇怪。
恐吓电话听了让人心里发慌，建议报警。
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FAQ — China
How to verify callers in China?
Use the official number from the website/app; avoid calling back the unknown number and check in‑app messages.
Do prefixes prove location?
No. Portability/VoIP make 010/021/020/0755 and 13x/15x/18x 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.
Popular area codes
Most-reported area codes in China. View all area codes at the bottom.