+44-20-(30290000...30299999): London, London, City of (LND) Lees verder over +44-20-(30290000...30299999)
+44-8448-(760000...769999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Lees verder over +44-8448-(760000...769999)
+44-8708-(620000...629999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Lees verder over +44-8708-(620000...629999)
+44-8717-(380000...389999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Lees verder over +44-8717-(380000...389999)
+44-9046-(780000...789999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Lees verder over +44-9046-(780000...789999)
+44-9051-(120000...129999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Lees verder over +44-9051-(120000...129999)
+44-9072-(490000...499999): Special Services pay for product that costs more than £1 in total for BT customers Lees verder over +44-9072-(490000...499999)
