+44-8446-(850000...859999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8446-(850000...859999)
+44-8452-(970000...979999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8452-(970000...979999)
+44-8704-(630000...639999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8704-(630000...639999)
+44-9048-(340000...349999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Read more about +44-9048-(340000...349999)
+44-9074-(720000...729999): Special Services pay for product that costs more than £1 in total for BT customers Read more about +44-9074-(720000...729999)
+44-9117-(670000...679999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Read more about +44-9117-(670000...679999)
