* Phone number encryption is currently available in Moscow, Saint Petersburg, Novosibirsk, Yekaterinburg, Nizhny Novgorod, Kazan, Chelybinsk, Omsk, Samara, Voronezh, and Krasnodar; Moscow, Leningrad, Novosibirsk, Sverdlovsk, Nizhegorodsk, Chelyabinsk, Omsk, Samara, and Voronoezh oblasts, as well as the Krasnodar area and the Republic of Tatarstan.