+44-8433-(520000...529999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(520000...529999)
+44-8433-(600000...609999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8433-(600000...609999)
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+44-8444-(460000...469999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8444-(460000...469999)
+44-8444-(980000...989999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8444-(980000...989999)
+44-8448-(200000...209999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8448-(200000...209999)
+44-8449-(000000...009999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8449-(000000...009999)
+44-8449-(440000...449999): Special Services basic rate: up to and including 5p for BT customers (non-internet) Read more about +44-8449-(440000...449999)
