If you are Citibank credit card holder you have an opportunity to change your credit card type. Please apply at any Citibank branch.
If you want to change your card for Gold card or MasterCard World Premium just call CitiPhone at:
+7 (495) 775-75-75 in Moscow,
+7 (812) 336-75-75 in St. Petersburg,
8 (800) 700-38-38 for calls from other regions of Russia.
After authorization in voice menu choose connection with operator ("0"), than inform operator, that you want to change your card type for Gold card or MasterCard World Premium.
* Credit Card is issued at the sole discretion of Citibank.