Telecom Regulation Authority List
- Afghanistan (ATRA)
- Algeria (ARPT)
- Argentina (CNC)
- Austria (RTR)
- Bahrain (TRA)
- Belarus (MPT)
- Belgium (BIPT)
- Bolivia (SITTEL)
- Bosnia (CRA)
- Bostawa (BTC)
- Brazil (ANATEL)
- Brunei (JTB)
- Burkina Faso (ONATEL)
- Colombia (CRT)
- China (MII)
- Chile (SUBTEL)
- Canada (CRTC)
- Chad (TIT)
- Dominica (ECTEL)
- Egypt (NTRA)
- France (ARCEP)
- Greece (EETT)
- Germany (REGTP)
- Finland (FICORA)
- Estonia (TSM)
- Grenada (ECTEL)
- Hong Kong (OFTA)
- Hungary (NCAH)
- Iceland (PTA)
- India (TRAI)
- Ireland (COMREG)
- Isle of Man
- Israel (MIC)
- Italia (AGCOM)
- Japan (MIC)
- Jordan (TRC)
- Kenya (CCK)
- Korea (South)
- Latavia (ESD)
- Lebanon (TRA)
- Liechtenstein (AK)
- Luxembourg (ILR)
- Macau (DSRT)
- Malaysia (SKMM)
- Malta (MCA)
- New Zealand
- The Netherlands (OPTA)
- Nepal (NTA)
- Morocco (ANRT)
- Mexico (COFETEL)
- Mauritius
- Mauritania (OPT)
- Nigeria (NCC)
- Norway (NPT)
- Pakistan (PTA)
- Papua New Guinea (PANGTEL)
- Paraguay (CONATEL)
- Philippines (NTC)
- Peru (OSIPTEL)
- Portugal (ANACOM)
- Salvador (SIGET)
- Singapore (IDA)
- Venezuela (CONATEL)
- United Kingdom (OFCOM)
- United States of America (FCC)
- Switzerland (BAKOM-OFCOM)
- Sweden (PTS)
- Sri Lanka (TRCSL)
- Spain (CMT)
- South Africa (ICASA)
- Slovakia (MDPT)
- Zambia
