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).Numbers with the 900 area code were those which were expected to have a huge number of potential callers, and the 900 area code was screened at the local level to allow only a certain number of the callers in each area to access the nationwide long distance network for reaching the destination number.
These telephone numbers are usually allocated from a national telephone numbering plan in such a way that they are easily distinguished from other numbers.
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 ,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.
Telephone companies typically offer blocking services to allow telephone customers to prevent access to these number ranges from their telephones.
In some jurisdictions, telephone companies are required by law to offer such blocking.
The number used for the radio program was one that was specially arranged by AT&T Corporation, CBS Radio, and the White House, to be free to the calling party.