+44-20-(78890000...78899999): London, City of London (LND) Read more about +44-20-(78890000...78899999)
+44-8438-(880000...889999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8438-(880000...889999)
+44-8450-(600000...609999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8450-(600000...609999)
+44-8450-(610000...619999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8450-(610000...619999)
+44-8450-(620000...629999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8450-(620000...629999)
+44-8450-(630000...639999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8450-(630000...639999)
+44-8450-(640000...649999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8450-(640000...649999)
+44-8450-(650000...659999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8450-(650000...659999)
+44-8719-(090000...099999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8719-(090000...099999)
