UK telephone numbers starting with '07' are used for mobile devices and personal redirect numbers. They are usually more expensive to call than the '01', '02' and '03' numbers.
What are '08' numbers?
UK telephone numbers that start with '08' are used by many different organisations. They are commonly used for chargeable information lines and customer enquiry centres.Organisations use '08' numbers because of a range of features that the numbers offer, including:
special charge rates - either free-to-call or income-generating;
easy and flexible re-routeing of calls across multiple locations; and
they are location independent, this implying a national presence.
'080' - Freephone Numbers
Numbers starting with '0800' and '0808' are freephone numbers, which cost nothing to call from UK landlines and mobile phones.
'082' - Internet for schools
'082' numbers are a relatively unknown, dedicated range of numbers for schools' dial-up internet, which were allocated from early 1998 onwards.
'084' - Chargeable service numbers
Calls to '0843', '0844' and '0845' numbers are charged at higher rates than standard phone calls. The cost of calling includes a service charge of up to 7p per minute or per call. The service charge is used to fund the service provided. Additionally, there is a standard access charge made by the caller's phone company.
'087' - Chargeable service numbers
Calls to '0870', '0871' and '0872' numbers are also charged at higher rates than standard phone calls and also higher than '084' numbers. The cost of calling includes a service charge of up to 13p per minute or per call on top of the access charge made by the caller's phone company.
'089' - Network services and internal routing
Blocks of '0897' and '0899' numbers are reserved for internal use and routing of calls between phone companies.