“Parcel tracking IDs, patents, and other specialized numbers can be entered into Google’s search box for quick access to information about them,” according to the Google Web Search Features page, www.google.com/help/features.html.
Special searches by number types include:
Examples
Area Code Map
[ 212 ]
Package Tracking
[ 999444666222 ]
Flight Tracking Information
[ united 42 ]
Vehicle Information
[ JH4NA1157MT001832 ]
Patent Search
[ patent 5122313 ]
FAA Airplane Registration Numbers
[ n199ua ]
UPC […]