900 number

English Etymology In the original North American Numbering Plan, telephone numbers with the 800 area code were designated as toll-free, whereby the recipient of the call assumed all associated charges. Subsequently, telephone companies introduced 900 numbers, enabling the subscriber to impose additional fees on callers. Noun en North America A telephone number for which an extra charge is assessed, part of which is returned to the owner of the number. See also en 1-900 800 number premium-rate telephone number en Telephony