While the International Dialling Code +79 has not been allotted to any country, this code most probably corresponds to Russia.
Russia's (as well as Kazakhstan) country code is 7, and currently uses mobile area number 9 for multiple mobile networks.
Russia has several mobile networks, the person you are calling will be using one of the following mobile area codes:
901: Skylink (Russia)
902: Tele2 (Russia) and regional operators
904: Tele2 (Russia)
908: Tele2 (Russia)
950: Tele2 (Russia)
952: Tele2 (Russia)
953: Tele2 (Russia)
Need to make an international phone call and not sure which dialing code to use? Check out an International Dialing Code finder that will help you find the dialing and area codes for a large selection of countries and cities from TimeandDate.com.
International calls can cost a bomb. But whether you're calling home from holiday or want to keep in touch with friends and family living overseas, there are ways to cut the cost.
Check out some tips on how to cut the cost of international phone calls from MoneyWise.co.uk.