+44-8446-(290000...299999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8446-(290000...299999)
+44-8447-(580000...589999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8447-(580000...589999)
+44-8447-(910000...919999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8447-(910000...919999)
+44-8448-(250000...259999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8448-(250000...259999)
