Czech Republic +420
To call Czech Republic from abroad, dial your exit code (or +), then 420, then the local number. In full: +420 601 123 456.
The country calling code for Czech Republic is +420. A number starting +420 or 00420 is a call to or from Czech Republic. From abroad: +420 601 123 456.
To call Czech Republic from abroad, dial your exit code (or +), then 420, then the local number as is. The +420 code identifies the country; the following digits identify the line (landline or mobile).
How to call Czech Republic from abroad
011 420 601 123 45600 420 601 123 4560011 420 601 123 456+420 601 123 456601 123 456 is a real-format Czech Republic mobile number (example from the ITU-T numbering plan): replace it with the number you were given, as is.
Czech Republic area codes
In Czech Republic, landlines usually include an area code after +420 (as is). Mobiles have no area code.
Number format
212 345 678from abroad+420 212 345 678601 123 456from abroad+420 601 123 456Landline numbers in Czech Republic have 9 digits after the country code; mobile numbers have 9 digits and start with 7060. There is no national prefix to drop: dial the full local number after +420.
Calling abroad from Czech Republic
To call another country from Czech Republic, dial the exit code 00 (or + on a mobile), then the country code, then the number. From Czech Republic to the United States, for example: 00 1 201 555 0123.
A Czech Republic number in international format is written +420 …. The + stands for the exit prefix (00 in much of the world, 011 in North America).
Cheapest ways to call Czech Republic
With internet on both ends, apps like WhatsApp, Signal or FaceTime call Czech Republic for free. To reach a number without an app, VoIP services are usually cheaper than your operator’s international rate.
Frequently asked questions
What country has the code +420?
Czech Republic has the country calling code +420.
How do I call Czech Republic from the United States?
Dial 011, then 420, then the local number as is — for example 011 601 123 456.
What does +420 mean?
It is the international dialing code for Czech Republic. The + stands for your exit code (00 in much of the world, 011 in North America).
Is +420 mobile or landline?
The +420 code identifies the country, not the line type; Czech Republic landlines and mobiles share it.
A country code covers a whole nation; the full number depends on the city and operator.
Mobile networks in Czech Republic
3 mobile network operators run their own networks in Czech Republic. The largest is T-Mobile, with about 6.63 million subscribers (Q1 2026). Pick the one with the best coverage where you will spend most of your time.
formerly Paegas
Owned by Deutsche Telekom AG
formerly Eurotel, Český Telecom
Owned by PPF
formerly Oskar
Owned by Vodafone Group plc
- 3G has been switched off on T-Mobile, O2, Vodafone. A phone that only works on 3G will get no data there and may not be able to call: check that yours supports 4G with voice (VoLTE) before you go.
- 4G/5G frequency bands used in Czech Republic: 5G 1800, 5G 2100, 5G 3500, 5G 3700, 5G 700, LTE 1800, LTE 2100, LTE 2600, LTE 800, LTE 900. Most recent smartphones cover them; older or regional models may miss some.
- Moving there? Mobile number portability has existed since 2006-01-15, a transfer takes about 4 day(s).
Also available: virtual operators (MVNOs) that rent capacity on these networks — Nordic Telecom.
Operators, subscriber counts, network codes and switch-off dates: Wikipedia (lists of mobile network operators, mobile network codes, 2G/3G phase-out, mobile number portability), licensed CC BY-SA 4.0. Figures come from each operator or regulator at the date shown.
Staying connected in Czech Republic
With 127 mobile subscriptions per 100 people, almost everyone in Czech Republic has a mobile — a WhatsApp, Signal or FaceTime call is usually the easiest way in. Internet use is high (88 %), so app-to-app calls over Wi-Fi are a safe bet.
Source: World Bank / ITU World Telecommunication indicators (IT.CEL.SETS.P2, IT.NET.USER.ZS, IT.MLT.MAIN.P2), latest available year.
Free and premium numbers in Czech Republic
+420 800 123 456Free from inside Czech Republic (numbers starting with 800). From abroad these numbers are often unreachable or charged at the international rate.
+420 900 123 456Surcharged services — ranges starting with 9. Do not call back an unknown missed call from such a range: the cost is far above a normal call.
Number ranges: ITU-T national numbering plan for Czech Republic via Google libphonenumber.
Poland +48
Germany +49
Slovakia +421
Austria +43