+44-8703-(130000...139999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8703-(130000...139999)
+44-8710-(101000...101999): Non ‘BT Discount Scheme’ - Internet Services incorporating un-metered access up to and including 10p for BT customers Read more about +44-8710-(101000...101999)
+44-9083-(900000...909999): Sexual Entertainment Services at a Premium Rate for BT customers Read more about +44-9083-(900000...909999)