The phone number for the Wrigley Field box office, where fans can purchase Chicago Cubs tickets, is 800-THE-CUBS, or 800-843-2827, as of 2015. For groups of 20 people or more, the Cubs advise calling (773) 404-4242.
Cubs fans can also buy tickets through the Chicago Cubs website, at Wrigley Field advance ticket sales windows and inside Wrigley Field until the seventh inning on game days. Fans can find will-call windows at the box office at Clark and Addison Streets. To pick up tickets purchased online, fans must show photo identification and the credit card used to buy the tickets and provide the order confirmation number.