Circle K joined 50 merchants in the Phoenix area in a pilot mobile-marketing program conducted by Visa and JPMorgan Chase & Co, reported the In-Store Marketing Institute. The program, targeted at ages 18 to 34, provides Circle K with the ability to deliver offers and other messages by SMS text. Chase credit and debit cardholders can enroll at online at Chase’s Web site, where they select preferred retailers and offer preferences such as discounts.

Circle K is the largest company-owned convenience store chain in the U.S, and second in overall number of U.S. stores to 7-Eleven.