Which operator does the code 931 belong to?

Let's remember once again the three largest operators in Russia. These are MTS, Beeline and Megafon. Most of the telephone codes fall on these cellular operators. Today we will talk about the identity of the code 931. This telephone code is mainly used in St. Petersburg. And he belongs mobile operator Megafon. Also, code 931 can be found in the Arkhangelsk, Vologda, Kaliningrad, Murmansk and Pskov regions of Russia. Code 931 uses mobile operator Megafon. And don't forget that it is used in several areas.