付费电话若未明确告知费用，容易产生意外消费，需谨慎。
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.
Ho ricevuto messaggi da una voce registrata su Telegram che indicava l’Iran e proponeva lavoro da remoto. Poi è arrivata la chiamata.
Passa a tim的销售电话内容重复，体验一般。
这通未知的付费电话让我有点担心，感觉不太可靠。
付费电话费用高，接通前一定要确认清楚。
付费电话费用不透明，真是让人无语。
对方在通话中不断要求付费，费用说明模糊不清，感觉像是收费陷阱。
Die Person gab sich als Mitarbeiterin einer DB-Filiale aus und bot aggressiv eine Beratung an. Am Ende habe ich aufgelegt. 🤷
Openfiber的来电信息不明，建议先核实再回复。
Openfiber来电未知，内容含糊，建议先确认身份。
这类烦人广告实在太多了，建议屏蔽。
Risposta assente, promesse di guadagni facili.
Avete segnalato anche durante la ricerca?
Deutsche Bank的广告电话太多，打扰正常生活。
Tipo spam di sondaggi, davvero.
收到的Ping通话像是垃圾信息。
未知来电没有任何提示，接听后只听到背景噪音，基本没有价值。
Mi hanno chiesto di partecipare a un sondaggio sull’ascolto FM; ho risposto ma non mi è sembrato convincente, quindi ho deciso di non proseguire.
市场调查的电话态度还算礼貌，但信息不相关，建议不参与。
付费电话不断，花费不少。
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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.