
In the Czech Republic, local telephone numbers typically start with a 2 or a 3, and are usually 7 digits long. This is a standard format for local calls.
If you're trying to reach someone in another part of the country, you'll need to add a 0 before the area code. For example, if the local number is 777 1234, you would dial 0 2 777 1234.
International calls to the Czech Republic require a country code of +420, which is the international code for the Czech Republic. This code is used before the local number.
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Telephone Number Structure
In the Czech Republic, phone numbers are structured in a way that's quite different from what you might be used to. Czech landline numbers for local calls are composed of 9 digits, including the regional prefix and the subscriber's number.
There's no trunk code, and local calls are made using the full number directly. For example, a phone number in Prague might look like 221 123 456, where 2 is the regional prefix for Prague and 21 123 456 is the local subscriber number.
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Toll-free numbers in the Czech Republic also consist of 9 digits, starting with a toll-free code (800), followed by a 6-digit subscriber number. These numbers are commonly used by businesses and customer service teams, and an example of a toll-free number format is 800 123 987, where 800 is the toll-free prefix and 123 987 is the local subscriber number.
Czech numbers use a prefix-based system, which means there's no distinct area code to dial separately. This is different from many other countries, where you might have to dial a separate area code to reach a specific region.
Here's a breakdown of the Czech landline number format for international calls: 011 420 221 123 456. This includes the exit code (011, when calling from the US), the Czech country code (+420), the regional prefix (2 for Prague), and the subscriber number (21 123 456).
Here's a summary of the key components of a Czech landline number:
- Regional prefix (e.g. 2 for Prague)
- Subscriber number (e.g. 21 123 456)
Geographical and Mobile Networks
In the Czech Republic, geographical and mobile networks are organized in a specific way. The country is divided into regions, each with its own calling codes.
Here are some of the calling codes for different regions in the Czech Republic:
Mobile networks in the Czech Republic also have specific codes. Mobile numbers start with a three-digit mobile prefix that identifies the original mobile operator.
Geographical
In the Czech Republic, geographical areas are designated by specific calling codes. The calling codes for Prague are 2, while Central Bohemian Region has codes 31 and 32.
For landline numbers, the regional prefix is usually a single or double digit. Some examples of regional prefixes include 2 for Prague, 3 for Central Bohemia, 38 for South Bohemia, 37 for Plzeň Region, and 35 for Karlovy Vary Region.
A table to help you navigate these prefixes:
In some areas, former calling codes are still recognized. For example, in the Karlovy Vary Region, the former code 017 Karlovy Vary is still valid. Similarly, in the Plzeň Region, the former code 019 Plzeň is still used.
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Mobile Networks
In the Czech Republic, mobile networks are identified by specific prefixes, which are used to distinguish between different operators.
O2 Czech Republic is one of the major mobile network operators, with prefixes ranging from 601 to 606.
T-Mobile Czech Republic has multiple prefixes, including 603, 604, and 605.
Vodafone Czech Republic, formerly known as Oskar, uses the prefix 608.
Other notable mobile networks include Bleskmobil's range, which uses the prefix 70, and O2 Czech Republic, which uses the prefix 72.
Here's a list of some of the mobile network prefixes in the Czech Republic:
- 601 - 606: O2 Czech Republic
- 603 - 608: T-Mobile Czech Republic
- 70: Bleskmobil's range
- 72: O2 Czech Republic
- 73: T-Mobile Czech Republic
- 77: Vodafone Czech Republic
- 790: O2 Czech Republic
These prefixes are used to identify the original mobile operator, even if the number has been ported to a different operator.
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Prefixes and Structure
The Czech Republic uses a prefix-based system for their telephone numbers, which can be a bit confusing at first. The first 1-3 digits after the country code (+420) indicate the location or network.
Landline numbers use a regional prefix at the beginning of the phone number for local calls, which is usually a single or double digit. This prefix varies by region.
Here are some popular landline phone prefixes in the Czech Republic:
Mobile numbers, on the other hand, begin with a three-digit mobile prefix that typically identifies the original mobile operator. These prefixes appear at the start of the phone number and help distinguish mobile lines from landlines.
Here are some common mobile phone prefixes in the Czech Republic:
In general, Czech landline numbers for local calls consist of 9 digits, including the regional prefix and the subscriber's number. Toll-free numbers, on the other hand, start with a toll-free code (800) followed by a 6-digit subscriber number.
How to Dial
To dial a phone number in the Czech Republic, you need to include the country code, which is +420 or 00420.
Dialing the wrong phone number format or including the trunk code in the phone number can lead to confusion and wasted time.
To make an international call to the Czech Republic, start with + or 00 on your phone, followed by the country code.
Czech Republic phone numbers are typically 4 to 12 digits long, so be sure to include the full number in your call.
Businesses in the Czech Republic typically operate during standard hours, so it's best to call during these times for business matters.
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International and Emergency Calls
Calling the Czech Republic can be a bit tricky, but don't worry, I've got you covered. To make an international call, you'll need to dial the exit code, followed by the Czech country code, and then the 9-digit mobile number.
The exit code is 011, and the Czech country code is 420. For example, if you want to call a Czech mobile number, you'd dial 011 420 602 123 456.
If you need to make an emergency call, the Czech Republic has a simple 3-digit structure for emergency services. Here are some of the emergency phone numbers in the Czech Republic:
Emergency
In the Czech Republic, emergency phone numbers are easily accessible and available 24/7. They follow a simple 3-digit structure that can be dialed directly for immediate assistance.
You can call 112 for emergency services, which will connect you to the right help. This number is available throughout the EU and is free to call.
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The fire department can be reached at 150, while the police can be contacted at 158. If you need medical assistance, dial 155 for the ambulance service.
If you're planning to engage in outdoor activities like hiking or skiing, it's a good idea to know the mountain rescue number, which is 1210.
Here's a quick reference guide to emergency numbers in the Czech Republic:
Connecting with the World
Connecting with the world can be as simple as dialing the right code. To call the Czech Republic from the US, you need to add the exit code 011, followed by the Czech country code 420, and then the mobile number, which includes a 9-digit mobile number format.
Dialing the Czech Republic country code is essential, whether you're calling from the US or the UK. For the UK, it's +420 or 00420 before dialing the phone number.
The international dialing code for the Czech Republic is +420, which you'll need to include before calling from the UK. This code is also used for sending SMS messages internationally.

To send SMS messages to the Czech Republic, you'll need to include the SMS code +420 before the local phone number. This can help you establish a local presence without a physical office, reducing or eliminating roaming charges.
Here's a step-by-step guide to making international calls:
- Dial your country's exit code
- Dial the Czech Republic country code (+420)
- Dial the recipient's phone number
Local Presence and Business
Having a local presence in the Czech Republic can make a big difference for your business. Using the +420 code allows your business to establish a local presence for SMS communication, which can build trust and credibility with local customers.
This local presence is vital for businesses looking to expand into the Czech market. With a local presence, you can better connect with your customers and establish a stronger reputation.
Here are some types of Czech Republic business numbers with their respective lead times: TypeLead TimeITFS30 DaysPSTN35 Days
Establishing Local Presence
Establishing a local presence in a foreign market is crucial for building trust and credibility with local customers. Using a toll-free number with a Czech Republic country code can help achieve this.
Having a toll-free number with a Czech Republic country code can establish a local presence for SMS communication, which can build trust and credibility with local customers.
The Czech Republic country code is +420, which allows businesses to establish a local presence in the country. This can be used for SMS communication and can be obtained by adding a Czech Republic number to your business phone system.
Toll-free numbers in the Czech Republic for local calls consist of 9 digits, starting with a toll-free code (800) followed by a 6-digit subscriber number. For example, 800 123 987.
The format for calling a Czech toll-free number internationally is: 011 420 800 123 456. This includes the exit code, the Czech country code, followed by a toll-free prefix and subscriber number.
Here's a summary of the toll-free number formats for local and international calls:
Businesses can obtain a Czech Republic toll-free number by adding an international number to their account, which may incur annual or monthly fees. The fees depend on the type of number purchased within the Czech Republic.
List of

In the Czech Republic, mobile numbers are structured to include specific operator codes, which is crucial for identifying the service provider and ensuring accurate SMS delivery.
Czech Republic mobile numbers are typically 9 or 10 digits long, including the country code.
The country code for the Czech Republic is +420, which is used for international dialing.
Mobile numbers in the Czech Republic are usually in the format of 7 or 8 digits, preceded by the country code and followed by the operator code.
The operator codes for the Czech Republic include prefixes such as 603, 605, 606, and 607.
Understanding these codes is essential for businesses looking to establish a local presence in the Czech Republic.
National and Miscellaneous
In the Czech Republic, you can dial 112 for emergency services, which is the standard European emergency number.
The country code for the Czech Republic is +420, which you'll need to dial when calling from outside the country.
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Dialing 158 will connect you to the Czech Republic's emergency services for medical emergencies.
If you're looking for directory inquiries, you can dial 118 in the Czech Republic.
The Czech Republic uses the E.164 standard for international telephone numbers, which is the standard used by most countries worldwide.
In the Czech Republic, you can dial 123 for directory inquiries in Prague.
The country's telephone system is managed by the Czech Telecommunication Office (CTU), which oversees the country's numbering plan.
In the Czech Republic, you can dial 130 for directory inquiries in other cities outside of Prague.
The Czech Republic's telephone numbers typically consist of 9 digits, including the country code, area code, and subscriber number.
The country code +420 is used for all telephone numbers in the Czech Republic.
Dialing 151 will connect you to the Czech Republic's emergency services for fire emergencies.
The Czech Republic's telephone system uses a combination of area codes and subscriber numbers to identify specific phone lines.
In the Czech Republic, you can dial 152 for directory inquiries in Bratislava.
The Czech Republic's telephone numbering plan is based on the E.164 standard, which is used by most countries worldwide.
The country code +420 is used for all international calls to the Czech Republic.
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Frequently Asked Questions
What is an example of a Czech phone number?
A Czech phone number for local calls typically consists of 9 digits, including the regional prefix and subscriber's number, and is used directly for calls without a trunk code. An example of this format is 221 123 456.
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