How much does it cost to call an 0871 number from mobile?

Business 0871 numbers are also known as business rate numbers. The price of these numbers are regulated by the Phone-paid Services Authority. It costs approximately 13p per minute as well as the mobile phone company’s access charge. However the price of the access charge depends on your individual mobile phone provider.
The access charge need not be that high. At the time of writing, the Access charge for giffgaff is only 15p. However the access charge for EE is 44p. This is subject to change so it is best to check with your mobile phone provider.
It may be advisable to use another type of number in preference to an 0871 number.
Please contact Ofcom if you have questions about access charges or the price of other charges and calls.