WCommunity post officeWLamp boxWLudlow wall boxWMail boatWMail services centerWMail truckWMobile post officeWPackstationWPillar boxWPort LockroyWPost boxWPost office boxWRailway post officeWRoyal Mail ShipWSorting officeWStamp vending machines in the United KingdomWTjorven (vehicle)WWall box