+7-834-(0000000...9999999): Republic of Mordovia (Saransk) Read more about +7-834-(0000000...9999999)
+7-835-(0000000...9999999): Chuvashi Republic (Cheboksary) Read more about +7-835-(0000000...9999999)
+7-836-(0000000...9999999): Republic of Marij El (Ioshkar-Ola) Read more about +7-836-(0000000...9999999)
