+44-20-(70490000...70499999): London, City of London (LND) Read more about +44-20-(70490000...70499999)
+44-8438-(510000...519999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(510000...519999)
+44-8438-(540000...549999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(540000...549999)
+44-8438-(570000...579999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(570000...579999)
+44-8438-(610000...619999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(610000...619999)
+44-8438-(640000...649999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(640000...649999)
+44-8438-(670000...679999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(670000...679999)
+44-8438-(730000...739999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(730000...739999)
+44-8438-(900000...909999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(900000...909999)