070 and 055 - Personal and Corporate numbers - caller charges vary
There are a variety of charges for these types of numbers. Their main use is for an individual who frequently changes location to have one number and then point that number to wherever they are at the time. e.g. office during the day, mobile in the evening.


090 - Premium Rate
Premium Rate numbers have a wide variety of tariffs to the caller, from 10p/min to £1.50/min. You earn a percentage of the price the caller pays. There is a huge variety of premium rate services on the market, from live sex lines to recorded information services, joke lines and ringtones.

Services run on premium rate lines fall under the remit of the regulator watchdog ICSTIS and its governing body OFCOM. Most types of service are permitted although some require prior written permission and all advertising materials must clearly describe the nature of the service and its pricing.