+420 is the country code for the Czech Republic

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+420

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+420 explained

The Czech Republic country code, 420, is what you dial before a Czech Republic number when you call from abroad. It is also known as the Czech Republic dialing code, Czech Republic calling code, or Czech Republic phone code. In the Czech Republic phone number format, +420 comes first, then the area code, such as 2 for Prague, then the local number.

Country code: +420; The 00420 country code is the same number
ISO country codes: CZ, CZE; Use the CZ country code or the CZE country code on forms and passports. To call the Czech Republic, dial +420
Used in: Czech Republic; No other country or territory dials +420
Exit code: 00; From most countries. Also 011 from United States and Canada, 0011 from Australia, and + from any mobile
Trunk prefix: None; Keep every digit after +420
Number length: 9, 10, 11, or 12 digits; After +420
Time now in the Czech Republic
Czech Republic mobile number format: 601 123 456; From abroad: +420 601 123 456
Czech Republic landline number format: 212 345 678; From abroad: +420 212 345 678

+420 area codes of main cities

Each +420 area code below is in the form you dial from abroad: +420, then the city code, then the local number. Inside the Czech Republic, callers leave out +420 and dial the rest as it is. So Prague is +420 2 from abroad and 2 at home.

Prague: +4202
Brno: +42051
Ostrava: +42055
Plzeň: +42037
Liberec: +42048
Olomouc: +42058
Ústí nad Labem: +42041
Hradec Králové: +42049
České Budějovice: +42038

Czech Republic phone number types

The first digits of a Czech Republic number tell you what kind of number it is: a landline, a mobile, a free number, or one that costs more to call. Here is a sample of each type of Czech Republic phone number, as dialed inside the Czech Republic and from abroad.

Type	Inside Czech Republic	From abroad
LandlineStarts with 2, 3, 4, or 5	212 345 678	+420 212 345 678
MobileStarts with 6 or 7	601 123 456	+420 601 123 456
Toll-freeStarts with 800	800 123 456	+420 800 123 456
Shared costThe caller pays part of the call and the business pays the rest	811 234 567	+420 811 234 567
Business numberOne national number for a company, which rings one of its offices	972 123 456	+420 972 123 456
Internet phoneA number that rings a phone service on the internet	910 123 456	+420 910 123 456
Personal numberA number that forwards calls to a phone its owner chooses	700 123 456	+420 700 123 456
VoicemailA number that goes straight to a mailbox	93 123 456 789	+420 93 123 456 789
Premium rateA call that costs more than a normal one, to pay for a service	900 123 456	+420 900 123 456

Good to know before you call the Czech Republic

Sound like a local

“Haló”

The word Czechs use to answer the phone, close to hello in English

“Haló”

Emergency number

112

158 reaches the national police. Prague's own municipal police answer 156.

Hasičský záchranný sbor ČR

The decree behind the Czech numbering plan took effect on 1 July 2007 and is now in its 8th version, current since 1 January 2024.
Vyhláška č. 117/2007 Sb., o číslovacím plánu
Prague runs its own municipal police line, 156, apart from the national police line, 158.
Městská policie hl. m. Prahy
The Czech national police answer their own emergency line, 158.
Policie České republiky

What it costs to call the Czech Republic (using Suparelay)

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Why a call to the Czech Republic fails

You call from: 🇺🇸 United States

The exit code is wrong for your country

00 works from the Czech Republic and most of Europe. From the US or Canada, dial 011 before 420, not 00.

Connects: 011 420 212 345 678
Does not connect: 00 420 212 345 678

The number does not take calls from abroad

Numbers that start with 800 are reserved for calls billed to the business that owns them.

Connects: 011 420 212 345 678
Does not connect: 011 420 800 123 456

Questions about +420

Which country is +420?

+420, or country code 420, belongs to the Czech Republic. It shares this code with no other country.

What is +420?

+420 is the part you dial before a Czech number when you call from outside the country. The Czech Republic has no trunk prefix to drop, so nothing else changes.

What is the difference between +420 and 00420?

The + stands for your exit code. 00 is the exit code in the Czech Republic and most of Europe, so 00420 and +420 reach the same number there. From the US or Canada, dial 011 420 instead.

Can I text a +420 number?

Yes. Write the number as +420 followed by its 9 digits, and your phone sends the text abroad at your carrier's international rate.

How much does it cost to call the Czech Republic?

A call to a Czech mobile number can cost more than a call to a landline. The dialer on this page shows the exact price of the number you enter before you call.

Which number do I call for the police in the Czech Republic?

Dial 158 for the national police, or 112 for any emergency. Prague also runs its own municipal police line, 156.

The information on this page is accurate as of September 26, 2026.

Vyhláška č. 117/2007 Sb., o číslovacím plánu

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