A call to either one of these numbers can result in a high per-minute or per-call charge.
For example, a "psychic hotline" type of 1-900 number may charge .99 for the first minute and 99 cents for each additional minute.
This practice continues, along with the use of these numbers for things such as software technical support, banking access, and stock tips.
Adult entertainment 900 numbers have been largely absent from AT&T and MCI since 1991.
Another now-uncommon premium-rate scam involves television programming that induces young children to dial the number, banking on the notion that they will be unaware of the charges that will be incurred.
One variant, targeted at children too young to dial a number, enticed children to hold the phone up to the television set while the DTMF tones of the number were played.
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.This type of scam was especially popular in the late '80s to early '90s in the United States before tougher regulations on the 900 number business forced many of these businesses to close.A 1-900 telephone number, in the North American Numbering Plan, has the form 1-900-###-####, and is often called a 900 number or a 1-900 number ("one-nine-hundred").Earlier, 976 numbers used 976 as a local prefix (970 or 540 in some markets like New York state), though it was not assigned to a specific telephone exchange like other prefixes.These numbers were dialed as any other number, such as 976-1234.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.