+44-8445-(920000...929999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8445-(920000...929999)
+44-8447-(380000...389999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8447-(380000...389999)
+44-8447-(940000...949999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8447-(940000...949999)
+44-8448-(450000...459999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8448-(450000...459999)
+44-8452-(380000...389999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8452-(380000...389999)
+44-8708-(580000...589999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8708-(580000...589999)
+44-8713-(180000...189999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8713-(180000...189999)
