CodeCountryRegionCityOperatorAdded
+7 475 RussiaFixed 22015-03-31
+7 475 RussiaTambov region2013-05-07
+7 4752 RussiaTambov
+7 4752 RussiaFixed 12015-03-31
+7 4752 RussiaTambov regionTambov2013-05-07
+7 4752 2RussiaTambov regionTambovРостелеком2013-05-07