Check these Google Web Search Features out:

Parcel tracking IDs, patents and other specialized numbers can be entered into Google's search box for quick access to information about them. For example, typing a FedEx tracking number will return the latest information on your package. Other special search by number types include :
• UPS tracking numbers
example "1Z9999W999999999"
• FedEx tracking numbers
example "999999999999"
• USPS tracking numbers
example "9999 9999 9999 9999 9999 99"
• Vehicle ID (VIN) numbers
example "AAAAA999A9AA99999"
• UPC codes
example "073333531084"
• Telephone area codes
example "650"
• Patent numbers
example "patent 5123123"
• FAA airplane registration numbers
example "n199ua"
• FCC equipment IDs
example "fcc B4Z-34009-PIR"