How to call Czechia using the international calling code +420 and area code.
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Example numbers for Czechia:
Your local time
—:—
Time in Czechia
—:—
Code
+420
ISO
CZ
Region
Europe
Time zone
Europe/Prague
Every Czechia 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 Czechia 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 Czechia.
+XXX XXX XXX XXX
Dial the country code +420, then the full mobile number.
Example: +420 601 123 456
+420 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +420 when dialing Czechia from abroad.
Add the local phone number without the leading zero.
Use TwinPhone to connect the call at low per-minute rates.
Czechia's international country code is +420. It was assigned by the International Telecommunication Union under recommendation E.164 and is the dialing prefix at the start of every Czechia phone number written in international format.
You'll often see +420 referred to in search as the "420 area code". Strictly speaking, +420 is a country code — area codes are sub-national, used inside Czechia. The practical meaning is the same: any number starting with +420 or 00420 is a Czechia number.
TwinPhone routes calls to every +420 number directly from your browser — no app, no SIM card, no calling card. Type +420 followed by the local number, press call, and you're connected.
Dialing codes immediately above and below +420 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Everything you need to know about TwinPhone.
The country code (international dialing code) for Czechia is +420. To call Czechia from abroad, dial +420 followed by the national number without its leading zero.
+420 is Czechia'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 Czechia number.
From TwinPhone, just type +420 and the number — we connect it. From a landline, dial your exit code, then +420, then the number without the leading 0.
Czechia's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
No. TwinPhone works directly in your browser — Chrome, Edge, Safari, or Brave. Open the site, add credit, dial +420 and your number, done. No installs, no plugins, no SIM card required.
Yes! Virtual numbers in Czechia start at $1.95/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
Every call uses industry-standard transport encryption (TLS + SRTP). We don't sell your data or share your call history. We don't record calls unless you explicitly enable recording.
TwinPhone uses adaptive audio technology that adjusts to your connection quality. Even on slow or unstable Wi-Fi — airport, hotel, coffee shop — your call stays connected and audible.
Dial Czechia from your browser — pay only for what you call.
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