接到一个值得信赖的电话，感觉挺好。
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.
接到一个Ping通话，可能是错误呼叫吧。
不知道是谁打来的电话，没有留言，比较可疑。
这个号码发来的短信看起来像是诈骗，大家要注意！
这是一个烦人广告电话，真的很烦人。
Doxa的市场调查电话，问的问题还挺详细的。
862154235937
Scam
我电话上起了一个济界电话，是021 5423 5937冒兔上海海关电话
这个号码是Credit Agricole的电话，感觉很专业。
862122810553
Scam
★
★
★
★
★
诈骗电话，说我的快递有问题，千万别上当！
This call is for market research, specifically about medications and pharmaceutical companies.
Hanno fatto un sondaggio sui farmaci generici, ma non so cosa volessero, forse era una truffa, pero' non sono sicuro
又是恐吓电话，真是烦人，直接挂断了。
詐騙的恐吓电话，真的很烦人！
这个号码打来，听说是恐吓电话，吓死我了!
Relativa all'accesso home banking
Credit Agricole - Banca的电话，内容挺有用，值得信赖。
未知号码和未知类型，无法确定任何信息。
Mi chiamano ma non c'è risposta, è molto strano
Nessuna risposta nonostante le chiamate.
自称是上海徐汇区公安局的人，告诉我我涉案洗黑钱，想获取我的个人资料
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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.