+44-8442-(180000...189999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8442-(180000...189999)
+44-8458-(190000...199999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8458-(190000...199999)
+44-8706-(140000...149999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8706-(140000...149999)
+44-8720-(040000...049999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8720-(040000...049999)
+44-8720-(080000...089999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8720-(080000...089999)
+44-8721-(900000...909999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8721-(900000...909999)
+44-9001-(260000...269999): Special Services, time charged calls up to and including 60ppm and total call cost not greater than £5 or fixed fee up to £1 per Read more about +44-9001-(260000...269999)
+44-9018-(400000...409999): Special Services, time charged calls up to and including 60ppm and total call cost not greater than £5 or fixed fee up to £1 per Read more about +44-9018-(400000...409999)
+44-9019-(500000...509999): Special Services, time charged calls up to and including 60ppm and total call cost not greater than £5 or fixed fee up to £1 per Read more about +44-9019-(500000...509999)
+44-9034-(530000...539999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Read more about +44-9034-(530000...539999)
