+44-8438-(800000...809999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(800000...809999)
+44-8438-(980000...989999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(980000...989999)
+44-8726-(030000...039999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8726-(030000...039999)
+44-8726-(630000...639999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8726-(630000...639999)
+44-8726-(670000...679999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8726-(670000...679999)
+44-8726-(690000...699999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8726-(690000...699999)
+44-9055-(830000...839999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Read more about +44-9055-(830000...839999)