A Gentle, Science-Backed Guide to Egg Carton Codes

Egg cartons can be confusing because they often contain several dates and numbers. The three-digit code found on many U.S. cartons is usually a pack date, not an expiration date. It tells you which day of the year the eggs were processed and packaged.

The code uses numbers from 001 to 365, with 001 representing January 1. For example, 032 means February continue reading …