+44-8456-(700000...709999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8456-(700000...709999)
+44-8708-(100000...109999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8708-(100000...109999)
+44-8713-(040000...049999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8713-(040000...049999)
+44-8714-(060000...069999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8714-(060000...069999)
+44-8714-(180000...189999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8714-(180000...189999)
+44-8715-(990000...999999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8715-(990000...999999)
