+375-803-(0000000...9999999): Interactive polling service (free) Xem thêm về +375-803-(0000000...9999999)
+375-805-(0000000...9999999): Intelligent network telephone service Xem thêm về +375-805-(0000000...9999999)
+375-810-(0000000...9999999): Interactive polling service (paid) Xem thêm về +375-810-(0000000...9999999)