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+44-8453-(420000...429999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers Read more about +44-8453-(420000...429999)
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+44-8725-(280000...289999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8725-(280000...289999)
+44-8725-(300000...309999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8725-(300000...309999)
+44-8725-(330000...339999): Special Services higher rate: up to and including 10p for BT customers (non-internet) Read more about +44-8725-(330000...339999)
