The UPC numbers are located underneath the bar code. These bar codes can be found on a sticker on the outside of the product's box or on the product label. BE SURE TO ENTER ALL 12 DIGITS OF THE UPC CODE. Your UPC Code should begin with a "0". If you have any questions regarding this code or entering it on our website, please contact us at http://www.bissell.com/support/contact-us/email-us or call Consumer Services at 1-800-237-7691, Monday - Friday 8 a.m. to 10 p.m., or Saturday 9 a.m. to 8 p.m., ET. A representative will assist you.