+420Czech Republic
The +420 prefix belongs to Czech Republic. If you got a call or text from a number starting with +420 (calling code 420), it came from Czech Republic. You can also call Czech Republic from your web browser with TwinPhone — no app and no SIM.
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Code
+420
ISO
CZ
Region
Europe
Time zone
Europe/Prague
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Which country is +420?
The +420 code identifies Czech Republic on the international telephone network. Country code 420 is assigned to Czech Republic under the ITU-T E.164 numbering plan, so any phone number that begins with +420 — written +420 or 00420 — is a Czech Republic number. You can call any Czech Republic number directly from your browser with TwinPhone — no app, no SIM — paying only for the minutes you talk.
Anatomy of a Czech Republic phone number
Every Czech Republic number in international format follows this shape — colour-coded so you can see where the country code ends and the local number begins.
When dialing Czech Republic from abroad, the only fixed part is +420 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Czech Republic.
Mobile example
+XXX XXX XXX XXX
Example: +420 601 123 456
Landline example
+420 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
How to call Czech Republic (+420) step by step
Enter the country code +420 when dialing Czech Republic from abroad.
Add the local phone number (in most countries, drop the leading zero).
Use TwinPhone to connect the call at low per-minute rates.
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Example numbers for Czech Republic:
Czech Republic at a glance
Country codes near +420
Dialing codes immediately above and below +420 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Frequently asked questions
Everything you need to know about TwinPhone.
The +420 code belongs to Czech Republic. Any phone number that starts with +420 — or with 00420 — is a Czech Republic number. To reach one, TwinPhone connects Czech Republic numbers straight from your browser — no app or SIM needed.
The 00420 prefix is Czech Republic. The 00 is the international exit code dialed from Europe and many other regions; it is followed by +420, the Czech Republic country code.
Dialing code 420 (dialed as +420 or 00420) belongs to Czech Republic. Any phone number that starts with +420 is a Czech Republic number.
Country code 420 is the ITU-T E.164 calling code for Czech Republic. To call Czech Republic from abroad, dial +420 followed by the national number.
The country code (international dialing code) for Czech Republic is +420. To call Czech Republic from abroad, dial +420 followed by the national number (in most countries, without its leading zero).
+420 is Czech Republic's international country calling code under the ITU E.164 plan — often searched as the "420 area code". Any phone number starting with +420 is a Czech Republic number.
From TwinPhone, just type +420 and the number — we connect it. From a landline, dial your exit code, then +420, then the number (in most countries, without the leading 0).
Czech Republic's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
Yes — we currently rent virtual numbers in the US and Canada, from $3.19/month. Use one as your caller ID so callers see a North American number, or receive incoming calls directly in your browser. Numbers for more countries are on the way.
Calling Czech Republic with TwinPhone is pay-as-you-go from your browser, billed by the minute (rounded up to the next full minute, minimum one minute) — no connection fee and no monthly fee. The exact per-minute price for +420 landlines and mobiles is shown live on this page, and that figure is the one you pay.
Yes. TwinPhone works entirely in your web browser — Chrome, Edge, Safari, or Brave on desktop or mobile. There is no app to install and no SIM card: open the site, add credit, dial +420 and the Czech Republic number, and the call connects.
A +420 number is not automatically a scam — +420 is simply the country code 420 assigned to Czech Republic under ITU-T E.164, so the call or text came from Czech Republic. If you do not know anyone there, treat an unexpected +420 call with the same caution as any unknown number: do not call back blindly and do not share personal details. Costs to call Czech Republic are shown above.
Cheap calls to Czech Republic
Per-minute rates to Czech Republic straight from your browser — no SIM, no app.
Where is this number from?
Paste an international number (with +) and we'll tell you which country it's from, its dialing code, and how to call.
All phone dialing codes
The complete list of country codes and international dialing prefixes.
Need to call Czech Republic (+420)?
Dial +420 with TwinPhone — no SIM, no app, right from your browser.
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