+44-8435-(470000...479999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8435-(470000...479999)
+44-8435-(480000...489999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8435-(480000...489999)
+44-8435-(500000...509999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8435-(500000...509999)
+44-8435-(520000...529999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8435-(520000...529999)
