There a number of providers let you dial a 084 or 087 number (from the UK) and redirect your call to an international / overseas number for you !
For example with www.phonecheap.co.uk you can dial 084 4300 4242 to call landlines or dial 087 1551 6868 to call mobiles in Turkey !
You can find lists of providers at www.magsys.co.uk or simply dial providers and there are more international / overseas voip telephone calling tips at www.moneysavingexpert.com
Tags: 084, 087, calls, international, redirect