It's related to online banking.
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.
天津航空公司的服务很专业,打电话也很礼貌,满意!
又是电话推销,感觉好烦啊。
non smettono di chiamarmi per insistere a ottenere un credito con una carta che non uso più, è la stessa voce con numeri diversi, non mi fido
Al igual que mencionan en otros comentarios, este teléfono parece ser utilizado para estafar a la gente, empezaron llamando desde varios números y ahora este, dicen ser de Seguros Bancomer y piden información personal, es un fraude
Informują, że logujesz się do internetowego banku
接到一个静音电话,真是浪费时间。
Mi hanno minacciato, dicendo di avere informazioni su di me
Recibo llamadas de hasta cuatro números diferentes al día, con intervalos de unos minutos, y hasta ahora he recibido llamadas de 18 números diferentes, por lo que no respondo por desconfianza.
Huawei,
他们每天从这个号码和其他电话号码打电话给我,有时他们会立即挂断电话,其他时候他们会声称自己是Bancomer银行的员工,并试图销售保险,这简直太烦人了
电话诈骗
我在杨體和行程给停u4f1a给我停师
Offerte troppo belle per essere vere, meglio bloccarle
Numero di telefono della Banca Credit Agricole per confermare le operazioni bancarie effettuate dal computer
il numero è associato a cariparma
Mi hanno chiamato alle 13:50, è assurdo! C'è un sito dove posso denunciare questo tipo di chiamate?
they ask to confirm banking operations for mobile banking, thats all
他们在晚上9点或者10点的时候打电话过来,想要向我推销Bancomer的保险,真的很烦人
Me llamaron muchas veces durante el día y el teléfono sonó durante mucho tiempo; parecen ser acosadores telefónicos
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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.