这个号码不知道是谁的，也不知道干嘛的，挺奇怪的。
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.
烦人的广告电话，又浪费了我几分钟时间。
不认识这个号码，没敢接。
收到一个陌生电话，没人接听。感觉很可疑。
Questo numero mi sta dando fastidio.
There is just one ring and then the line drops
Spam Anruf，可能是錯號或詐騙。
付费电话，没兴趣。
The number calls multiple times a day, which is annoying
付费电话，没什么意义，就挂了。
A person from the "Telekom" called me, saying they wanted to change my internet contract, but then they started selling me a more expensiv plan, it was a callcenter with alot of noice in the background
付费电话？不知道是谁的，也不知道干嘛的，挺奇怪的。
接到这个电话，很烦人，都是广告!
此号码用于假调查，可能是为了窃取数据。
他们试图更新我的个人信息，但通话很难结束
The caller attempted to sell Telekom's fiber-optic services in an unprofessional manner
Zostałem wywołany przez ten numer 10 minut po wysłaniu zapytania do obsługi klienta Westwing, okazało się, że to jest poważny numer, który nie prosi o informacje, tylko udziela odpowiedzi na pytania
Multiservizi的付费电话，内容不感兴趣。
警察局打来的电话，听起来很可疑，可能是诈骗电话。
自从六月开始，这个号码就一直打电话过来，已经有30多次了，真是太烦人了，我已经受够了这种骚扰，
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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.