Country calling code

Czechia country code: +420

Q: What is the country code of Czechia?

The country calling code of Czechia is +420.

To call Czechia from another country, dial your exit code, then 420, then the national number. A Czechia mobile number dialled from abroad looks like +420 601 123 456.

Country code: +420
Exit code (IDD): 00
Trunk prefix: None
Mobile number length: 9 digits
ISO country code: CZ
Time zone: UTC+1 (UTC+2 in summer)
Capital: Prague
Currency: CZK

How to call Czechia

1
Dial the exit code of the country you are in. 011 in the US and Canada, 00 in the UK and most of Europe, 0011 in Australia. On a mobile phone, press and hold 0 to type + instead.
2
Dial 420, the country code of Czechia.
3
Dial the local number.

Calling from	You dial
Inside Czechia	601 123 456
Any mobile phone	+420 601 123 456
United States or Canada	011 420 601 123 456
UK, Germany, India and most countries	00 420 601 123 456
Australia	0011 420 601 123 456
Japan	010 420 601 123 456

Example with the Czechia sample number +420601123456.

Calling abroad from Czechia

Dial the exit code 00, then the country code and the number. To call the US from Czechia: 00 1 + area code + number.

Czechia phone number format

Example numbers for each number type, written the way they are dialled inside Czechia and from abroad. The length counts the digits after the country code.

Type	National format	International format	E.164	Digits
Mobile	601 123 456	+420 601 123 456	+420601123456	9
Landline	212 345 678	+420 212 345 678	+420212345678	9
Toll-free	800 123 456	+420 800 123 456	+420800123456	9
Premium rate	900 123 456	+420 900 123 456	+420900123456	9
Shared cost	811 234 567	+420 811 234 567	+420811234567	9
VoIP	910 123 456	+420 910 123 456	+420910123456	9
Personal number	700 123 456	+420 700 123 456	+420700123456	9
UAN (universal access)	972 123 456	+420 972 123 456	+420972123456	9

Mobile networks in Czechia

The first digits of a number show which network the number range was assigned to. Numbers can be ported to another network later.

All 205 prefixes →

T-Mobile

62 prefixes

603604605703070317032703370347035703670387039+50

Vodafone

46 prefixes

6087304473045730467304773048770077017702770377047706+34

O2

27 prefixes

6016026066077027172770577070791947919579196+15

Tesco Mobile CR

12 prefixes

79234792357923879240792417924279243792447928792979547955

SAZKA sazkova kancelar, a.s

7 prefixes

7040704170427043704470457047

CEZ Group

5 prefixes

70507051705270537054

Country codes of Czechia's neighbours

🇦🇹 Austria+43 🇩🇪 Germany+49 🇵🇱 Poland+48 🇸🇰 Slovakia+421

Czechia country code: FAQ

What is the country code of Czechia?

The country calling code of Czechia is +420.

How do I call Czechia from abroad?

Dial your exit code (011 from the US and Canada, 00 from most of Europe, or simply + on a mobile phone), then 420, then the local number without the leading %!s(). Example: +420 601 123 456.

What is the exit code for international calls from Czechia?

To call another country from Czechia, dial 00, then the other country's code and number. On mobile phones you can always use + instead.

How many digits does a Czechia mobile number have?

Mobile numbers in Czechia have 9 digits after the country code (without the trunk prefix), for example +420 601 123 456.

Which mobile networks operate in Czechia?

Mobile number ranges in Czechia are assigned to T-Mobile, Vodafone, O2, Tesco Mobile CR and others. Because numbers can be ported between networks, the prefix shows the network a number was originally issued to. Use the carrier lookup to check a specific number.

How can I check if a Czechia phone number is valid?

Enter the number in the checker on this page. It checks the length and number ranges of Czechia offline. To verify numbers in bulk or from your own software, use the numlookupapi phone validation API.

Phone number API

Validate numbers like this in your app

numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

Read the documentation

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GET https://api.numlookupapi.com/v1/validate/+420601123456

{
  "valid": true,
  "international_format": "+420601123456",
  "country_prefix": "+420",
  "country_code": "CZ",
  "line_type": "mobile",
  "carrier": "…",
  "e164_format": "+420601123456",
  "national_format": "601 123 456"
}