有奖活动听起来诱人，但实际上是套路。
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.
恐吓电话的语气让人心慌，建议直接挂掉。
对方声称有奖活动，但信息不完整，别轻易透露个人信息。
Völlig störend, jedes Mal eine andere Endziffer, bereits zahlreiche Nummern blockiert.
Es freut mich sehr, diese App heruntergeladen zu haben! Ich werde den Anruf nicht entgegennehmen.
恐吓电话让人紧张，建议直接挂掉。
未知来电，信息不清晰，保持警惕。
有奖活动的电话往往是陷阱，别轻易相信。
恐吓电话的语气非常威胁，建议立刻报警处理。
Gegen 15:35 Uhr versuchten sie, mir vorzugaukeln, dass ich an einem Gewinnspiel teilgenommen hätte
Hamburg scheint die neue Betrugszentrale zu sein.
收到一通恐吓电话，语气很凶，强烈不推荐接听。
Ping通话只是测试，没什么实际内容。
Anhaltender Telefonterror ☎️ ☎️ ☎️
Diese Frau belästigt mich fortwährend, behauptet ich hätte ein Abo abgeschlossen und wird dabei extrem frech und beleidigend, vermutlich mit ukrainischem Akzent – völlig bösartig!
Extrem unhöflich und schließlich beleidigend – sie legen auf, sobald man ablehnt.
这通恐吓电话让我感到不安，建议大家直接挂断。
未知来电的付费电话收费不透明，感觉被坑了。
Ich finde es lästig und habe die Nummer blockiert.
Numero sconosciuto的讨债公司电话，听起来很不友好。
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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.