恐吓电话让人挺不安的，最好不要回拨。
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.
Si tratta semplicemente della compagnia WINDTRE che propone offerte; nel mio caso ho già quell'operatore, quindi è pertinente, ma non risultano aggressivi nei miei confronti.
Chiamate indesiderate di tipo terrorismo telefonico, ricerche di mercato, telemarketing, frode, pubblicità invasiva
烦人的广告电话又来了，信息毫无价值，直接拉黑。
Behauptet, der Sitz sei in Berlin. Ruft an, weil scheinbar persönliche Daten im Umlauf sind, na ja.
Meldet sich seit mehreren Tagen, fragt nach dem Grund, warum eine angebliche Agentur über eine Mobilfunknummer anruft, und legt dann wieder auf, eigentlich nervig.
接到恐吓电话后心里很不舒服，建议大家别理。
有奖活动的电话听起来诱人，但细节很模糊，最好保持警惕。
有奖活动的来电经常是陷阱，别轻易透露个人信息。
来电显示未知，内容也不明，最好保持警惕。
来电显示未知，内容模糊，最好保持警惕。
Ständig wird angerufen und sofort wieder aufgelegt, das wiederholt sich etwa zwanzigmal hintereinander.
Sie wird hier nicht mehr anrufen; meine Trillerpfeife hat ihr Ohr vermutlich zum Platzen gebracht.
Dauerhafte Telefonate, die sehr unseriös und störend sind!
这个来电显示是Ping通话，声音清晰但没有实际内容，感觉像是系统检测。
烦人广告不断打扰，真是让人头疼。
Es wurde behauptet, man habe an einer kostenlosen Lotto‑Aktion teilgenommen und müsse jetzt nach Ablauf des Gratiszeitraums zahlen. Ich war nie Teil einer solchen Aktion.
Messaggi di terrorismo telefonico, indagini di mercato, telemarketing, truffa, pubblicità aggressiva
Erkennbar als Spam‑Anruf.
Die Anruferin erwähnte meine angebliche Kündigung bei einem Gewinnspiel, ich habe den Anruf kurz beendet.
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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.