+44-8444-(970000...979999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8444-(970000...979999)
+44-8445-(900000...909999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8445-(900000...909999)
+44-8446-(150000...159999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8446-(150000...159999)
+44-8446-(390000...399999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8446-(390000...399999)
