房间号头 room number

传真号头 Fax No

事情双元怨律风号头 Work Telephone

手机号头 Mobile No ; Telephone No

客户号头 order no

重写号头 renumber

号头牌 number plate ; the number slip

头号公敌 Public enemy ; Public Enemies ; Public Enemy Number One ; Mesrine

分机号头 Extension Number

备查号头 letter reference number