+44-20-(11140000...11149999): London, City of London (LND) Read more about +44-20-(11140000...11149999)
+44-20-(75070000...75079999): London, City of London (LND) Read more about +44-20-(75070000...75079999)
+44-20-(84310000...84319999): London, City of London (LND) Read more about +44-20-(84310000...84319999)
+44-8450-(330000...339999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8450-(330000...339999)
+44-8700-(280000...289999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers Read more about +44-8700-(280000...289999)
