+7-821-(0000000...9999999): Komi Republic (Syktyvkar) Baca lebih lanjut mengenai +7-821-(0000000...9999999)
+7-834-(0000000...9999999): Republic of Mordovia (Saransk) Baca lebih lanjut mengenai +7-834-(0000000...9999999)
+7-835-(0000000...9999999): Chuvashi Republic (Cheboksary) Baca lebih lanjut mengenai +7-835-(0000000...9999999)
+7-836-(0000000...9999999): Republic of Marij El (Ioshkar-Ola) Baca lebih lanjut mengenai +7-836-(0000000...9999999)
+7-843-(0000000...9999999): Republic of Tatarstan (Kazan) Baca lebih lanjut mengenai +7-843-(0000000...9999999)