+44-8458-(590000...599999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8458-(590000...599999)
+44-8700-(040000...049999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8700-(040000...049999)
+44-8713-(030000...039999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8713-(030000...039999)
+44-8714-(040000...049999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8714-(040000...049999)
+44-8715-(050000...059999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8715-(050000...059999)
+44-8716-(070000...079999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8716-(070000...079999)
+44-8718-(080000...089999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8718-(080000...089999)