+44-20-(70370000...70379999): London, City of London (LND) Read more about +44-20-(70370000...70379999)
+44-8444-(760000...769999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8444-(760000...769999)
+44-8451-(350000...359999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8451-(350000...359999)
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+44-8714-(780000...789999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8714-(780000...789999)
+44-9042-(580000...589999): Special Services, open ended time dependent charge or fixed fee up to £1.50 for BT customers Read more about +44-9042-(580000...589999)