+44-8445-(030000...039999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8445-(030000...039999)
+44-8449-(320000...329999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8449-(320000...329999)
+44-8449-(420000...429999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8449-(420000...429999)
+44-8451-(820000...829999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8451-(820000...829999)
+44-8703-(620000...629999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8703-(620000...629999)
+44-8715-(090000...099999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8715-(090000...099999)
+44-8716-(940000...949999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8716-(940000...949999)
+44-8717-(430000...439999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8717-(430000...439999)
