Methods, systems, and apparatus, including computer program products, for collecting consumer information. A first message is received from a portable communication device having a device identifier. The first message includes an item code that identifies a promotional item. It is verified whether the device identifier is registered for a promotional service corresponding to the item code. If the device identifier is not registered for the promotional service, a second message is sent to the portable communication device, where the second message requests an address for delivering the promotional item.