
Estonia has a unique telephone numbering system, which can be a bit confusing for foreigners. Estonia uses the +372 country code, which is the same as its international dialing code.
The country code is followed by a 9-digit phone number, which is divided into two parts: the area code and the subscriber number. The area code consists of 3-4 digits, while the subscriber number has 5-6 digits.
In Estonia, phone numbers are usually written in the format +372 XXX XXXX, where the first three digits represent the area code. For example, if you're calling a phone number in Tallinn, the area code would be 644, so the number would be +372 644 XXXX.
If you're planning to call Estonia from abroad, you'll need to dial the international access code (00) followed by the country code and the phone number.
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General Information
Estonian phone numbers have a clear structure, making them easy to understand and use. The country code is always +372, which is used for international compatibility.
The first digit after the country code indicates the service type, also known as the Service Identifier. This is an important detail to keep in mind when dialing a number in Estonia.
Here are some key facts to keep in mind when it comes to Estonian phone numbers:
- Minimum number length (excluding the country code) is 7 digits.
- Maximum number length (excluding the country code) is 12 digits.
Overview:
The minimum number length for an Estonian phone number, excluding the country code, is 7 digits. This is the shortest length possible, except for short services codes and prefixes.
The maximum number length for an Estonian phone number, excluding the country code, is 12 digits. This is the longest length possible.
Estonia has a closed numbering plan, which means that geographic area dialling numbers, also known as geographic area codes, are not present.
If you're interested in learning more about the Estonian Numbering Plan, you can visit the Estonian Technical Regulatory Authority's website at https://www.tja.ee/en/fields-services/communications-services/numbering-management.
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Contact Information:
To get in touch with the Communications and Media Services Department, you can visit them at Sõle str. 23a in Tallinn, Estonia, which is the address you'll find on their business card.
Their contact person is Mrs. Erika Adams, who is the Deputy Head of Communications and Media Services Department.
You can reach out to them by phone at +372 6672072 or by fax at +372 6672001.
Alternatively, you can send an email to either [email protected] or [email protected] to get a response from the team.
Their official website is www.tja.ee, where you can find more information about their services.
Number Structure and Format
Estonian phone numbers are quite straightforward, with a clear structure that's easy to understand.
The country code for Estonia is +372, which you'll always see at the beginning of the number, followed by a '+' prefix for international compatibility.
The service identifier, which is the first digit after the country code, indicates the type of service: geographic, mobile, VoIP, toll-free, or premium rate.
A geographic phone number in Estonia is typically 7 digits long and starts with the digit 3, while a mobile number is 8 digits long and starts with the digit 5.
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Here's a breakdown of the different service types and their format examples:
Estonian phone numbers can be quite long, with a maximum length of 10 digits, including the country code.
In general, Estonian phone numbers are 7 to 10 digits long, with the first one to three digits indicating whether the number is a land-line or mobile phone.
Mobile numbers can be 8 digits long and start with the digit 5.
Calling
Calling Estonia is relatively straightforward, but there are a few things to keep in mind.
Estonia's international dialing code is 372, also represented as +372, 00372, or 00 372.
If you're calling from a country that uses a different exit code, you may need to remove the exit code from the call sequence and replace it with the correct one. For example, if you're calling from the US or Canada, you would use the exit code 011 before Estonia's country code 372.
To call within Estonia, you don't need to use a trunk prefix.
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Number Management
In Estonia, the standard telephone number format is 9 digits long, with the prefix "372" for mobile and landline numbers. This prefix is a country code that helps identify calls as originating from Estonia.
You'll often see Estonian phone numbers written with a space between the prefix and the rest of the number, for example, "372 56 123 456". This is a common convention, but it's not always necessary.
Estonia uses a closed numbering plan, which means that all numbers are assigned by the state and are subject to change. This is in contrast to an open numbering plan, where numbers can be freely assigned by service providers.
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Number Portability
Number portability is a crucial consideration when designing applications that involve phone numbers. You can use the Estonian Telecommunications Regulatory Authority (TTJA) API for portability checks.
This API allows users to switch operators while keeping their number, which can be a major selling point for your application. Remember to cache portability lookup results to reduce API calls and improve performance.
Numbering License

A numbering license is required to use numbers described in the Estonian Numbering Plan, such as telephone numbers, mobile numbers, and e-fax numbers.
To apply for a numbering license, you need to be a self-employed or legal person, an undertaking, an institution, or an organization. Private individuals are not eligible.
A short number is a simplified way to dial a number, and can be 3-, 4- or 5-digits long. Identification codes, on the other hand, are used to organize the use of the telecommunications network and distinguish a telecommunications operator.
You don't need a numbering license for prefixes, which are used to organize a communication network or parts thereof. However, you will need one for short numbers and identification codes.
A numbering license entitles you to use a specific number or code to provide a service. You can book individual numbers and arrange for their use, and also use the short number or identification code indicated on the license.
Here are the types of numbering licenses:
- Quantity-based numbering licenses, issued for the use of numbers, are based on the quantity of numbers.
- Individual number-based numbering licenses, issued for short numbers and identification codes, are based on the specific number or code.
Number Details and Planning
In Estonia, the national numbering plan is a closed system, meaning you won't find geographic area codes.
Estonian phone numbers typically range from seven to eight digits.
The country code for Estonia is +372.
A mobile number in Estonia can be eight digits long, but landline numbers are always seven digits.
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Numbering License Issuance
To apply for a numbering license, you need to be a self-employed or legal person, an undertaking, an institution, or an organization. Private individuals are not eligible.
A numbering license is required for using numbers from the Estonian Numbering Plan, such as telephone numbers, mobile telephone numbers, and e-fax numbers. Short numbers and identification codes also require a numbering license.
You can use a numbering license to book individual numbers and arrange for their use. The license entitles you to use the numbering to provide a service, but you must be registered as a telecommunications operator.
Numbering licenses are quantity-based, meaning they're based on the quantity of numbers. For short numbers and identification codes, the license is individual number-based.
Number Details

Estonia phone numbers use the country code +372 and follow a 7 to 10 digits national format.
The country code +372 is a key identifier for Estonian phone numbers, and it's used to verify whether a phone number belongs to Estonia.
Estonia's national numbering plan is a closed plan, which means geographic area dialling numbers are absent.
Here's a breakdown of the national number format: the country code is +372, followed by 7 to 10 digits.
In Estonia, the first one to three digits of a phone number designate whether the number is a land-line or mobile phone.
Mobile numbers can be eight digits long, making them a bit shorter than land-line numbers.
The international dialing prefix for Estonia is 00, which is used to connect calls from outside the country.
Here's a summary of Estonia's phone number details:
Best Practices
Storing numbers in Estonia? Always use the E.164 format (+372XXXXXXXX) to ensure international compatibility and simplify processing. This will save you headaches down the line.
For readability, format numbers based on the user's context. Within Estonia, displaying 5XXX XXXX might be sufficient, but for international contexts, use the full E.164 format.
To prevent invalid numbers from entering your system, implement strict validation. Account for optional country codes and potential variations in toll-free and premium rate numbers.
Here's a quick rundown of the national number format in Estonia:
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