Adult chat lines (phone sex) and tech support are a very common use of premium-rate numbers.Other services include directory enquiries, weather forecasts, competitions and voting (especially relating to television shows).
Diplomatic services, such as the US Embassy in London or the UK Embassy in Washington, have also charged premium rates for calls from the general public.
In many European countries, for example France, Germany and the United Kingdom, it was common for organisations to operate customer service lines on premium-rate numbers using prefixes that fall outside the scope of the country's premium-rate number regulations.
Initially, consumers had no choice regarding the accessibility to 900/976 numbers on their phones.
However, in 1987, after a child had accumulated a bill of $17,000 From the early 1980s through the early 1990s, it was common to see commercials promoting 1-900 numbers to children featuring such things as characters famous from Saturday morning cartoons to Santa Claus.
In 1992, the Supreme Court allowed a law passed by Congress that created a block on all 900 numbers that provided adult content, except for those consumers who requested access to a specific number in writing.