+44-20-(36160000...36169999): London, City of London (LND) Read more about +44-20-(36160000...36169999)
+44-8437-(030000...039999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(030000...039999)
+44-8437-(040000...049999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(040000...049999)
+44-8437-(050000...059999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(050000...059999)
+44-8437-(060000...069999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(060000...069999)
+44-8437-(090000...099999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(090000...099999)
+44-8437-(100000...109999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(100000...109999)
+44-8437-(110000...119999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(110000...119999)
+44-8437-(120000...129999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8437-(120000...129999)
