+44-8448-(820000...829999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8448-(820000...829999)
+44-8458-(760000...769999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8458-(760000...769999)
+44-8704-(310000...319999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8704-(310000...319999)
+44-8718-(690000...699999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8718-(690000...699999)
+44-8719-(250000...259999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8719-(250000...259999)
+44-8719-(850000...859999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8719-(850000...859999)
+44-8720-(060000...069999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8720-(060000...069999)
+44-8720-(190000...199999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8720-(190000...199999)
+44-9040-(920000...929999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Read more about +44-9040-(920000...929999)
+44-9042-(310000...319999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Read more about +44-9042-(310000...319999)