+44-8436-(740000...749999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8436-(740000...749999)
+44-8436-(750000...759999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8436-(750000...759999)
+44-8436-(760000...769999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8436-(760000...769999)
+44-8455-(660000...669999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8455-(660000...669999)
