420 Country Code: Czech Republic (+420)
+420 is the country code for Czech Republic. If you searched "420 country code", "country code 420", "00420 country code", or "+420 country code" — they all refer to Czech Republic. The code is also called the 420 dialing code, 420 phone code, or 420 ISD code, and is assigned by the International Telecommunication Union (ITU) under the E.164 standard.
Below you will find the number format, trunk prefix, major city area codes, and dialing facts specific to Czech Republic (+420).
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Czech Republic Phone Number Format
International Format Example
Czech Republic does not use a trunk prefix, so domestic and international formats are effectively the same — just prepend +420.
Calling Czech Republic from Your Browser
To place a call to Czech Republic, dial +420 followed by the local number in the Kinvo browser dialer. Pay-as-you-go, no app required.
Call Czech Republic from Your Browser
Call any Czech Republic number (+420) directly from Chrome, Firefox, Safari, or Edge. No install required. Use it in under 2 minutes.
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Frequently Asked Questions: Czech Republic Country Code
Which country is country code 420?
Country code 420 belongs to Czech Republic. The full international dialing code is +420, also written as 00420 when dialing from countries that use 00 as an international access code, or +420 when dialing from a mobile phone.
What is the country code for Czech Republic?
+420 is the international dialing code for Czech Republic, assigned by the ITU under E.164. The ISO 3166-1 alpha-2 code is CZ.
Can I call Czech Republic from my browser?
Yes. Kinvo connects calls to Czech Republic via WebRTC directly from Chrome, Firefox, Safari, or Edge. No app download. Sign up, add credits from $5, and dial +420 followed by the local number.