+44-8444-(270000...279999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8444-(270000...279999)
+44-8445-(840000...849999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8445-(840000...849999)
+44-8458-(950000...959999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8458-(950000...959999)
+44-8701-(190000...199999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8701-(190000...199999)
+44-8712-(870000...879999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8712-(870000...879999)
+44-8712-(900000...909999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8712-(900000...909999)
+44-8713-(610000...619999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8713-(610000...619999)
+44-8714-(590000...599999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8714-(590000...599999)
