+44-20-(36250000...36259999): London, City of London (LND) Read more about +44-20-(36250000...36259999)
+44-8437-(560000...569999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(560000...569999)
+44-8437-(570000...579999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(570000...579999)
+44-8437-(580000...589999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(580000...589999)
+44-8437-(590000...599999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(590000...599999)
+44-8437-(630000...639999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(630000...639999)
+44-8725-(780000...789999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8725-(780000...789999)
+44-8725-(840000...849999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8725-(840000...849999)
+44-8725-(910000...919999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8725-(910000...919999)
