+7-866-(0000000...9999999): Kabardino-Balkarian Republic (Nalchik) Read more about +7-866-(0000000...9999999)
+7-867-(0000000...9999999): Republic of North Ossetia (Vladikavkaz) Read more about +7-867-(0000000...9999999)
+7-872-(0000000...9999999): Republic of Daghestan (Makhachkala) Read more about +7-872-(0000000...9999999)
+7-878-(0000000...9999999): Karachayevo-Cherkessian Republic (Cherkessk) Read more about +7-878-(0000000...9999999)