Each canned food manufacturer has a unique coding system. Some manufacturers list day, month and year of production, while other companies reference only the year. These codes are usually imprinted on the top or bottom of the can. Other numbers may appear and reference the specific plant manufacturing or product information and are not useful to consumers. Below is a sampling of how some manufacturers code their products so consumers know when the product was packaged. If you have specific questions about a company's product, contact a customer service representative at the phone number listed.

Note: For month coding, if a number is used, numbers 1 through 9 represent January through September, and letters O for October, N for November and D for December. If letters are used, A=Jan. and L=Dec., unless otherwise noted.

Note: For year coding, 8=1998; 9=1999; 0=2000; 1=2001; 2=2002, etc.