The call access charge is 11.25ppm. You add this to the charge shown on the info that should be with the number you are calling & you get the price.
Bit of a pain, but that is the way OFCOM insist prices for these numbers are displayed now.
Cable customer since 1993. Services: FH TV, Sky Sports & Movies (2xV6), Talk Anytime Phone, VIVID 350, Virgin PAYG Mobile