Landline telephone code of Sochi is 8622, and all numbers are six digits. Telephone code of Russia is 7, so to call a number in Sochi you dial +7-8622-##-##-##.
Mobile operator’s codes are all different, and the numbers consist of three digit code and seven digits number. Here are telephone codes of major mobile operators in Sochi:
MTS (МТС): 918, 988
Megafon (Мегафон): 920, 930, 928, 938
Beeline (Билайн): 903, 905, 906, 909, 960, 961, 962, 963, 964.
TELE2: 902, 908, 952
Calls between operators in Russia are always more expensive than inside operator’s network, and there are no such thing as free long distance calls. So, if you’re planning to get local number, consider this: absolute majority of people living in Sochi have MTS numbers. This is due to the fact that several years ago MTS acquired major local operator «Kuban GSM».