Piano serial number of uprights are many times located on the inside of the piano stamped onto the plate between the bass string section and the treble string section.Ģ. The areas to look for these numbers vary from each company but here are some common places to look along with some photos.ġ. Using this number, along with the manufacturer, the age of the piano can sometimes be determined. Many pianos will have a 4, 5 or 6 digit serial number to identify the age of the piano. Pianos also have other numbers printed on them such as part numbers and many other pianos do not have a serial number at all. Many piano manufacturers placed serial numbers in a variety of places.
