Czech Republic Calling Code: +420
Complete guide to calling Czech Republic β international dialing code, step-by-step instructions, and FAQ.
How to Call Czech Republic from Abroad
π Step-by-Step Dialing Guide
- Dial your country's exit code (e.g. 011 from US, 00 from most countries, + from mobile)
- Dial +420 β the country calling code for Czech Republic
- Dial the local phone number (area code + subscriber number)
About Czech Republic Calling Code
To reach Czech Republic from another country, first dial the international calling code +420 β assigned by the ITU β followed by the local number. Czech Republic is located in Europe, in Eastern Europe.
Czech Republic is known locally as ΔeskΓ‘ republika β Prague is the capital. When saving an international contact, write the number in full international format with +420 so it works from any country.
International calling codes follow the ITU-T standards E.123 and E.164, which define how phone numbers are written and dialed across borders. The prefix you dial after the exit code tells the global telephone network which national network to route the call to.
Where the +420 Calling Code Is Used
The country code +420 is assigned to Czech Republic, located in Eastern Europe, with the capital Prague. This code is part of the international telephony numbering plan and is used for all calls made to Czech Republic from outside the country.
When a number is written as +420 β¦, the +420 prefix directs your call to the Czech Republic national network. After the prefix, dial the area code without its leading zero, then the subscriber number β the same pattern for landlines and mobiles.
ITU-T E.164 groups calling codes by world region; codes beginning with 4 cover the part of the world that includes Czech Republic, in Eastern Europe. Storing numbers with +420 and omitting the domestic leading zero keeps contacts dialable from anywhere.
Czech Republic Phone Number Formats
The ITU E.164 format for Czech Republic numbers is +420 + area code + subscriber number, used for landlines and mobiles alike. Here is the general structure:
π± Number Structure
- International format: +420 [area code] [subscriber number]
- From abroad: exit code + +420 + local number (drop the trunk prefix 0)
- Within Czech Republic: dial the local number directly
Numbering plans vary: closed plans use fixed-length national numbers, while open plans allow variable lengths with a trunk prefix (usually 0) that is dropped for international calls. For calls to Czech Republic, replace the trunk zero with +420.
Time Zone in Czech Republic
The local time in Czech Republic follows the Europe/Prague time zone (UTC+01:00 UTC). Check the time difference before you dial so your call arrives during waking hours.
Time differences matter when calling Czech Republic: if it is UTC+01:00 there, a morning call from Europe may reach Prague in the afternoon, while callers in the Americas should check the offset to avoid late-night calls.
If Czech Republic observes daylight saving time, its UTC offset shifts by an hour twice a year. Double-check the current offset before time-sensitive calls, especially in spring and autumn.
Emergency Numbers in Czech Republic
If you need urgent help while in Czech Republic, dial the local emergency numbers below. Note that these numbers are only for use inside Czech Republic.
| Service | Number |
|---|---|
| Police | 112 or 158 |
| Fire | 112 or 150 |
| Ambulance | 112 or 155 |
Example: Calling Czech Republic Numbers in Practice
Here is how a typical call to Czech Republic works, depending on where you are calling from:
π From the United States or Canada
- Dial the US/Canada exit code 011
- Dial the Czech Republic country code +420
- Dial the local number (area code + subscriber number, without the trunk prefix 0)
Example: 011 +420 [area code] [number]
π From the United Kingdom or Europe
- Dial the international access code 00 (or use the + symbol on mobile)
- Dial the Czech Republic country code +420
- Dial the local number
Example: 00 +420 [area code] [number], or +420 [area code] [number] from any mobile phone
If the local number begins with a trunk prefix (commonly 0), remove it when dialing internationally β +420 takes its place. The remaining digits are dialed exactly as written.
Calling Czech Republic from Major Countries
International exit codes differ by country. Use this reference when dialing Czech Republic (+420) from abroad:
| Calling From | Exit Code | Full International Dialing |
|---|---|---|
| United States | 011 | 011 420 [local number] |
| United Kingdom | 00 | 00 420 [local number] |
| Australia | 0011 | 0011 420 [local number] |
| China | 00 | 00 420 [local number] |
| Japan | 010 | 010 420 [local number] |
| India | 00 | 00 420 [local number] |
| Germany | 00 | 00 420 [local number] |
| France | 00 | 00 420 [local number] |
On mobile phones, the + symbol replaces the exit code entirely β just dial +420 followed by the local number.
Frequently Asked Questions
What is the calling code for Czech Republic?
The international calling code for Czech Republic is +420.
How do I call Czech Republic from the United States?
Dial 011 (US exit code), then +420, then the local phone number.
How do I call Czech Republic from the United Kingdom?
Dial 00 (UK exit code), then +420, then the local phone number.
Can I use the + symbol instead of the exit code?
Yes! On mobile phones you can dial +420 directly followed by the local number. The + symbol automatically replaces your country's exit code.
How do I call within Czech Republic?
If you're already in Czech Republic, simply dial the local number directly. You do not need to use the country code +420 for domestic calls.
What is the capital of Czech Republic?
The capital of Czech Republic is Prague. When calling the capital from abroad, dial +420 followed by the local area code (without the leading 0) and the number.
What are the emergency numbers in Czech Republic?
Police: 112 or 158, Fire: 112 or 150, Ambulance: 112 or 155. These numbers are only valid inside Czech Republic.
Other Countries in Europe
Nearby countries and their calling codes:
Calling Czech Republic from Russia or Greece works the same way: dial your local exit code first, then +420, then the local number. Within Europe, many callers simply use the + symbol on mobile to avoid exit-code differences.