+44-1273-(652000...652999): Brighton, Brighton and Hove (BNH) Read more about +44-1273-(652000...652999)
+44-20-(33880000...33889999): London, City of London (LND) Read more about +44-20-(33880000...33889999)
+44-8452-(420000...429999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8452-(420000...429999)
+44-8707-(930000...939999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8707-(930000...939999)
+44-8721-(920000...929999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8721-(920000...929999)
+44-9017-(180000...189999): Special Services, time charged calls up to and including 60ppm and total call cost not greater than £5 or fixed fee up to £1 per Read more about +44-9017-(180000...189999)
+44-9077-(390000...399999): Special Services pay for product that costs more than £1 in total for BT customers Read more about +44-9077-(390000...399999)
