+44-8433-(670000...679999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(670000...679999)
+44-8452-(840000...849999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8452-(840000...849999)
+44-8709-(760000...769999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8709-(760000...769999)
