Items not Delivered

I had placed an order on the 3rd December and have not yet received my items. The standard delivery time was 5-7 working days. It has now been 11 days. The order was shipped out on the 12th December and dispatched yesterday, the delivery address is only 16mins away from the depot that is holding my items. No phone lines seem to work and no can give me definitive answer that my order will be delivered today as this is the last day that i will be at this address. This is rather frustrating and terrible service that has been conducted!!!