Call signs in Oceania are currently voluntary in Australia radio and TV station, and were previously compulsory in New Zealand.
In both countries, stations like 2GB and Newstalk ZB continue to use parts of the call signs in their branding.
[2] The only modern Oceanic nation mentioned was an Anglo-French condominium lasting from 1906 until 1980, when the New Hebrides gained their independence as Vanuatu.
The 1947 Atlantic City ITU Conference reallocated call sign blocks some developing island nations.
While not directly related to call signs, the International Telecommunication Union (ITU) further has divided all countries assigned amateur radio prefixes into three regions; countries and territories in Oceania are located in ITU Region 3.