Numbering refers to the numbers, abbreviations, identification codes, and prefixes defined in the Estonian Numbering Plan.

The Estonian Numbering Plan sets out the location in the numbering space of numbers, abbreviations, identification codes, and prefixes necessary for the provision of a communications service or other service through that service, their length requirements, intended use, and dialing procedures, as well as prefixes for services within user groups.

As defined in the International Telecommunication Union Recommendation E.164, a number is a decimal number used to provide a communication service or other service utilizing a communication service. Numbers are classified according to their intended use as follows:

  • telephone numbers;
  • mobile numbers;
  • 800 service numbers (freephone numbers);
  • 900 service numbers (special tariff numbers);
  • 901 service numbers (data service numbers);
  • M2M mobile numbers (machine-to-machine communication numbers);
  • e-fax numbers;
  • ID codes.

An abbreviated number is a three- to five-digit number used to provide a communications service or other service, allowing the user to dial the number in a simplified way.

An identification code is a combination of digits used to organize the use of the telecommunications network or parts thereof and distinguish a telecommunications operator to provide a telecommunications service.

A prefix is a combination of digits that enables a communication service provider to organize a communication network or parts thereof.

The following legislation governs the use of numbering:

To use the numbering, you must apply for a numbering license from the Consumer Protection and Technical Regulatory Authority.

Numbering license

A numbering license is an authorization to use numbering.

You need to apply for a numbering license if you want to use the numbers described in the Estonian numbering plan (telephone numbers, mobile numbers, M2M mobile numbers, 800 service numbers, 900 service numbers, 901 service numbers, e-fax numbers, personal numbers), shortcodes and identification codes for the provision of a communications service or other service through a communications service.

Numbering authorizations issued for the use of numbers shall be quantity-based, i.e., based on the quantity of numbers. Numbering authorizations issued for abbreviated numbers and identification codes shall be individual number-based.

You do not need to apply for a numbering license to use prefixes.

A numbering license entitles the user to use the numbering to provide a service:

  1. the quantity of numbers indicated on the numbering license, to reserve individual numbers and to arrange for their use;
  2. to reserve, book, and arrange for using the abbreviated number or identification code indicated on the numbering license.

To obtain a numbering license, the applicant must meet the following conditions:

  • the applicant must be a natural or legal person, an undertaking, an institution, or an organization;
  • when applying for a numbering license for the use of telephone and mobile numbers and identification codes, the applicant must be registered as a telecommunications operator, i.e., the applicant must have submitted a corresponding business activity notification to the Register of Economic Activities;
  • the applicant has paid the state fee.

To obtain a numbering license, you must apply and, if necessary, the following supporting documents:

Communications undertakings applying for the first time for a volume-based numbering license shall be required to submit with their application a description of how call dialing or access to the reserved number or the communications service or other service provided through it will be ensured;

  • A letter of authority confirming the authorized person to make the application;
  • A letter of attorney by which the holder of the numbering license designates a representative (contact person) whom he authorizes to access the numbering reservation database to reserve, release, and carry out number portability operations.

You can apply:

  • by logging into the register of economic activities via the state portal (the service requires authentication via ID-card, mobile-ID, Smart-ID, eID, or internet banking);
  • by digital signature to the e-mail address;
  • by mail to the Consumer Protection and Technical Regulatory Authority at Endla 10a, 10142 Tallinn.

The Consumer Protection and Technical Regulatory Authority will issue a numbering license within ten working days from the date of applying if the state fee has been paid. If the application's information is incomplete, the applicant will be contacted by e-mail or telephone within three days of applying. Once the deficiencies have been rectified, the number license will be issued within ten working days. The applicant will be informed by e-mail when the number plate is issued.

The number plate is an electronic document. The decision to grant a numbering license and the numbering license conditions shall be published in the Register of Economic Activities within ten working days of the numbering license being granted at the latest. A numbering license shall be granted for one year.

After issuing a quantity-based numbering permit, the Consumer Protection and Technical Regulatory Authority will open access to the Number Reservation Database for the number holder to reserve specific numbers. Number reservation is the marking of an individual number in the database, which allows the holder of the number license to use the number reserved.

After reserving the numbers, the holder of the numbering license shall, where appropriate, conclude interconnection agreements with the communication operators from whose networks it wishes to ensure the availability of the numbers.

Upon expiry of the numbering license, its holder shall also be obliged to immediately cease providing the service and terminate the interconnection contracts with the communication operators.

To extend the validity of a numbering license, its holder must apply for an extension of the permit to the Consumer Protection and Technical Regulatory Authority no later than 20 days before the numbering license expiry and pay the state fee.

The Authority shall decide on the renewal or non-renewal of a license no later than three working days before the valid numbering license expiry date. Numbering license shall be renewed every year.

In the event of renewal, all the conditions of the license shall remain in force.

Modification of a numbering license means a change in the number (quantity) of numbers authorized to be used. The amount of numbers can be increased at any time. The amount of numbers can be reduced once a year with the renewal of the permit.

To amend a numbering license, its holder must apply for an amendment to the permit to the Consumer Protection and Technical Regulatory Authority and pay a proportionate fee for the numbers to be added for the full months remaining until the expiry of the numbering license. The period of validity of the license shall not be affected by the amendment of the numbering permit.

You can search for numbers in use HERE

A special tariff content service may be provided via short numbers or 900-series service numbers.

To use a special rate service number, once the number has been authorized, service contracts must be concluded with the telecommunications operators from whose networks the service number's dialing is to be guaranteed. The service contract will set out the special tariff (the cost of the call or the price per minute), the billing arrangements, and other terms and conditions for the service provision. 

The special tariff service numbers are for national use only. It is not possible to call from abroad. A customer of a foreign telecoms operator in Estonia can call Estonian service numbers fixed in roaming agreements between operators, provided that his home operator allows the call and by the price list set by the home operator.

The number holder using a short code or 900-series service number to provide a content service subject to a special tariff must arrange for automated notification of the content price to the caller within 10 seconds immediately before delivering the content service. During the notification period, it shall not be permissible to apply the internal service charge.

The requirement to provide a price announcement need not apply in the case of a live media voting, contest, consumer game, or fund-raising activity where the price is directly communicated to the caller together with the service number via the same media.

An undertaking which receives notifications, declarations of intent, or other communications relating to the performance of a contract from its customers utilizing a shortcode or a service number may not, according to Section 28¹(3) of the Law of Obligations Act (LOA), charge the consumer an additional fee for the call. Agreements deviating from this shall be null and void under section 28¹(4) of the LOA. When organizing its service, the operator, in cooperation with the telecommunications operator, must ensure that the consumer called on a contractual matter is provided with a call at the basic tariff or free of charge. The basic tariff is to be understood as the charge for making a call to a regular landline or mobile telephone.

A harmonized service number with social value is a six-digit, pan-European harmonized shortcode (HESC) in the 116 numbering range, which is included in the list of specific numbers in the Annex to Commission Decision 2007/116/EC of the European Communities (notified under document number C(2007) 249) and which may be used for the provision of an identified service with social value.

For numbering licenses for a shortcode in the 116 numbering range, an application for numbering licenses and an annex to the application must be submitted to the Authority. Harmonized Europe-wide short numbers are exempted from charges. 

The Number Reservation Database (NBA) is a database for numbering plan management, number reservation, user rights management, and number mobility operations.

Access rights to the number reservation database shall be granted to the NBA contact point(s) indicated in the numbering access application after the numbering license has been granted. To add or remove NBA users, the representative of the holder of the number holder shall submit a letter of attorney to the Consumer Protection and Technical Regulatory Authority.

Number Reservation Database (access for number holders only)

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Last updated: 07.04.2021