Listed by country and it's primary callsign prefix
- Andorra (C3)
- Australia (VK)
- Belarus (EU)
- Belgium (ON)
- Bermuda (VP9)
- Bosnia-Herzegovina (T9)
- Bulgaria (LZ)
- Canada (VA, VE)
- CIS Countries (EK, ER, EU, EX, EY, EZ, UK, UN, UR, RA, 4K, 4L)
- Corsica (TK)
- Croatia (9A)
- Czech Republic (OK)
- Denmark (OZ)
- El Salvador (YS)
- Estonia (ES)
- Finland (OH)
- France (F)
- Guernsey (GU)
- Hong Kong (VR)
- Iceland (TF)
- Italy (I, IS, IT)
- Lithuania (LY)
- Luxembourg (LX)
- Netherlands (PA)
- Republic of the Philippines (DU)
- Romania (YO)
- Slovenia (S5)
- South African Callbook Callsign lookup for
(3DA) Swaziland, (5H) Tanzania, (7P) Lesotho, (9J) Zambia, (A2) Botswana, (C9) Mozambique, (V5) Namibia, (Z2) Zimbabwe, (ZS) South Africa
- Tadjikistan (EY)
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