+44-8434-(010000...019999): Special Services basic rate: up to and including 5p for BT customers (non-internet) 閱讀更多關於+44-8434-(010000...019999)
+44-8434-(020000...029999): Special Services basic rate: up to and including 5p for BT customers (non-internet) 閱讀更多關於+44-8434-(020000...029999)
+44-8452-(160000...169999): Special Services basic rate: BT’s Standard Local Call Retail Price for BT customers 閱讀更多關於+44-8452-(160000...169999)
+44-8701-(760000...769999): Special Services higher rate: BT’s Standard National Call Retail Price for BT customers 閱讀更多關於+44-8701-(760000...769999)
