Afghanistan                                     
Afghanistan Telecom Regulatory Authority (ATRA)

Albania                                             
Electronic and Postal Communications Authority (AKEP)

Algeria                                              
Autorité de Régulation de la Poste et des Communications
Électroniques (ARPCE)

Argentina                                         
Ente Nacional de Comunicaciones (ENACOM)

Australia
Australian Communications and Media Authority (ACMA)

Austria
Austrian Regulatory Authority for Broadcasting and Telecommunications (RTR-GmbH)

Belgium
Belgian Institute for Postal services and Telecommunications (BIPT)

Bolivia
Superintendencia de Telecomunicaciones (SITTEL)

Bosnia and Herzegovina
Communications Regulatory Agency of Bosnia-Herzegovina (CRA)

Botswana
Botswana Communication Regulatory Authority (BTA)

Brazil
Agencia Nacional de Telecomunicacoes (ANATEL)

Ministério da Ciência, Tecnologia, Inovações
e Comunicações (MCTIC)

Bulgaria
Communications Regulation Commission (CRC)

Burkina Faso
Autorité de Régulation des Communications Électroniques et des Postes (ARCEP)

Burundi
Agence de Régulation et de Contrôle des Télécommunications (ARCT)

Cambodia
Telecommunication Regulator of Cambodia (TRC)

Cameroon
Agence de Régulation des Télécommunications (ART)

Canada
Canadian Radio-television and Telecommunications Commission (CRTC)

Chile
Subsecretaria de Telecommunicacaiones (SUBTEL)

China
Ministry of Information Industry (MII)

Colombia
Comisión de Regulación de Comunicaciones (CRC)

Costa Rica
Superintendencia de Telecomunicaciones (SUTEL)

Croatia
Croatian Regulatory Authority for Network Industries (HAKOM)

Cuba
Ministerio de Comunicaciones (MIC)

Cyprus
Office of Electronic Communications & Postal Regulation (OCECPR)

Czech Republic
The Czech Telecommunication Office (ČTÚ)

Democratic Republic of the Congo 
Autorité de Régulation de la Poste et des Télécommunications du Congo (ARPTC)

Denmark
Danish Energy Agency (ENS)

Dominican Republic
Instituto Dominicano de las Telecomunicaciones (Indotel)

Ecuador
Agencia de Control y Regulación de las Telecomunicaciones (ARCOTEL)

El Salvador
Superintendencia General de Electricidad y Telecommunicaciones (SIGET)

Egypt
National Telecommunications Regulatory Authority (NTRA)

Estonia
Estonian Competition Authority (ECA)

Ethiopia
Ethiopian Telecommunication Agency (ETA)

Fiji
Telecommunications Authority of Fiji (TAF)

Finland
Finnish Communications Regulatory Authority (FICORA)

France
Autorité de Régulation des Communications Électroniques, des Postes et de la Distribution de la Presse (ARCEP)

Agence Nationale des Fréquences (ANFR)

Germany
Bundesnetzagentur (BNA)

Ghana
National Communications Authority (NCA)

Greece
Hellenic Telecommunications and Post Commission (EETT)

Guatemala
Superintendencia de Telecomunicaciones (SIT)

Honduras
Comisión Nacional de Telecomunicaciones (CONATEL)

Hungary
National Media and Infocommunication Authority (NMHH)

Iceland
Post and Telecom Administration (PTA)

India
Telecom Regulatory Authority of India (TRAI)

Indonesia
Indonesian Telecommunications Regulatory Authority

Iran
Communication Regulatory Authority of Iran (CRA)

Audiovisual Media Regulatory Authority (SATRA)

Iraq
Communications and Media Commission (CMC)

Ireland
Commission for Communications Regulation (ComReg)

Israel
Ministry of Communications (MOC)

Italy
Autorità per le Garanzie nelle Comunicazioni (AGCOM)

Jamaica
Spectrum Management Authority (SMA)

Japan
Ministry of Internal Affairs and Communications (MIC)

Jordan
Telecommunications Regulatory Commission (TRC)

Kazakhstan
Ministry of Information and Communications of the Republic of Kazakhstan (MIC)

Kenya
Communications Authority of Kenya (CA)

Kosovo
Regulatory Authority of Electronic and Postal Communications (RAEPC)

Kuwait
Ministry of Communications

Latvia
Elektronisko sakaru direkcija (ESD)

Public Utilities Commission (PUC)

Lebanon
Telecommunications Regulatory Authority (TRA)

Lesotho
Lesotho Communications Authority (LCA)

Liberia
Liberia Telecommunications Authority (LTA)

Libya
General Authority for Communication and Infomatics 

Liechtenstein
Office for Communications (AK)

Lithuania
Communications Regulatory Authority (RRT)

Luxembourg
Institut luxembourgeois de régulation (ILR)

Malaysia
Malaysian Communications and Multimedia Commission (MCMC)

Mauritius
Information and Communication Technologies Authority (ICTA)

Mexico
Instituto Federal de Telecomunicaciones (IFT)

Moldova
National Regulatory Agency for Electronic Communications and Information Technology (ANRCETI)

Mongolia
Communications Regulatory Commission of Mongolia (CRC)

Montenegro
Agency for Electronic Communications and Postal Services (EKIP)

Morocco
Agence Nationale de Réglementation des Télécommunications (ANRT)

Mozambique
Instituto Nacional das Communicacoes de Mozambique (INCM)

Nepal
Nepal Telecommunications Authority (NTA)

Netherlands
Autoriteit Consument & Markt (ACM) 

Agentschap Telecom AT

New Zealand 
Commerce Commission of New Zealand (ComCom)

Telecommunications

Nigeria
Nigerian Communications Commission (NCC)

Norway
Norwegian Communications Authority (NKOM)

Pakistan
Pakistan Telecommunication Authority (PTA)

Panama
Autoridad Nacional de los Servicios Públicos (ASEP)

Paraguay
Comision Nacional de Telecomunicaciones (CONATEL)

Perú
Organismo Supervisor de Inversión Privada en Telecomunicaciones (OSIPTEL)

Philippines
National Telecommunications Commission (NTC)

Poland
Prezes Urzędu Komunikacji Elektronicznej (UKE)

Portugal
Autoridade Nacional de Comunicações (ANACOM)

Qatar
Communications Regulatory Authority (CRA)

Romania
National Authority for Management and Regulation in Communications of Romania (ANCOM)

Russia
Ministry of Digital Development, Communications and Mass Media  of the Russian Federation

Saudi Arabia
Communications and Information Technology Commission (Saudi Arabia) (CITC)

Serbia
Republic Agency for Electronic Communication and Postal Services (RATEL)

Singapore
Info-communications Media Development Authority of Singapore (IMDA) 

Government Technology Agency (GovTech)

Slovak Republic
Telecommunications Regulatory Authority of the Slovak Republic (TUSR)

Slovenia
Agency for communication networks and services of the Republic      of Slovenia (AKOS)

South Africa
Independent Communications Authority of South Africa (ICASA)

South Korea
Korea Communications Commission (KCC)

Spain
Comisión Nacional de los Mercados y la Competencia (CNMC)

Sweden
Swedish Post and Telecom Authority 

Switzerland
Federal Office of  Communications (OFCOM)

Syria
Ministry of Communications and Technology (MCT)

Taiwan
National Communications Commission (NCC)

Tanzania
Tanzania Communication Regulatory Authority (TCRA)

Thailand
National Broadcasting and Telecommunications Commission (NBTC)

Tunisia
Instance Nationale des Télécommunications de Tunisie (INTT)

Turkey
Information And Communication Technologies Authority (ICTA)

Uganda
Uganda Communications Commission (UCC)

Ukraine
National Commission for the State Regulation of Communications and Informatization (NCCIR)

United Arab Emirates
Telecommunications and Digital Government Regulatory 
Authority (TDRA)

United Kingdom
Ofcom (OFCOM)

United States
Federal Communications Commission (FCC)

Uruguay
Unidad Reguladora de Servicios de Telecomunicaciones (URSEC)

Uzbekistan
The State Inspection for control in the field of informatization and telecommunication of the Republic of Uzbekistan

Venezuela
Comisión Nacional de Telecomunicaciones (CONATEL)

Vietnam
Ministry of Information and Communications

Zambia
Zambia Information & Communications Technology Authority (ZICTA)

Zimbabwe
Postal & Telecommunications Regulatory Authority of Zimbabwe (POTRAZ)