CZ

Reverse Phone Lookup in the Czech Republic — Recent Community Reports

Check unknown Czech numbers with recent reports (Prague, Brno, Ostrava, Plzeň) and share your experience.

Unknown calls in the Czech Republic

Unsure about a Czech number? Explore concise community notes to judge calls and texts. In Praha (Prague), Brno, Ostrava and Plzeň you’ll encounter both legitimate callbacks (deliveries, banking, appointments) and waves of robocalls or phishing. Geographic prefixes and mobile ranges (e.g., 2x/3xx/5xx, 60x/77x) are useful context but not proof of origin due to portability and VoIP — treat them as helpful hints, not certainty.

Verification: return calls via the official number on the company 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 so others can benefit.

420704475227 Scam Podvod

Osoby podvádějící se vydávají za rodinné příbuzné, např. syna či dceru (24.6.2025).

420704475227 Scam (Podvod)

Obdrželi jsme SMS, že to je moje dcera s rozbitým telefonem a novým číslem, a že ji mám kontaktovat přes WhatsApp – jde o podvod!

420371656040 Harassment Call

Jedná se o obtěžování

420228229762 Telemarketing

Pozdrav a informace o prodeji kolagenu určeného pro klouby.

420603106009 Český florbal

Toto číslo nepatří Organice, od roku 2018 je přiřazeno Českému florbalu.

420703993298 Silent Call

Jakmile se spojím, nastává ticho.

420778884710 Silent Call

Nikdo se neozval, když jsem přijala hovor.

420735202372 Scam Podvodník (Podvod)

Jo, hele, souhlasím s tím, co říkáš – ten podvodník tvrdí, že peníze odchází z Reichsbank.

420735202372 Scam Podvodník

Jedinec se snaží podvádět. Čau.

420793918460 Spam

To je spam – už zablokováno, jo.

420793918460 Telemarketing

Krypto obchodování mě vůbec nezajímá, fakt, tak to radši vynechám. Hele.

420793918460 Other

Zvláštní chování, fakt podezřelé. Čau.

420793918460 Financial

Obchodování s kryptoměnami

420703992020 Scam

Hele, varování – ten podvodník si jen dělá legraci s policií.

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FAQ — Czechia

How to verify callers in Czechia?

Use the official number listed on the company site/app and check in‑app messages; avoid calling back the unknown number.

Do prefixes prove location?

No. Portability/VoIP make geographic/mobile ranges unreliable as proof of origin.

Common patterns?

Delivery updates, bank callbacks, 2FA codes; robocalls, parcel/account phishing and scripted sales.

What to include in a report?

Caller type, purpose, date/time, and cues that guided your decision.

Popular area codes

Most-reported area codes in Czechia. View all area codes at the bottom.
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