One old-school user urged online users to check their mailboxes: “u can find most subway discount codes on the coupons they mail to ur house, and tend to work for a month or two,” they claimed.

The Subway restaurant franchisees for the Buffalo, New York, area are recording a redemption rate of 5 percent to 6 percent for mobile coupons. Now compare that with the typical 1 percent to 3 percent ...

More than 100 Subway restaurants in Buffalo participating in the My Subway Mobile effort are using mobile coupons to drive retail traffic with periodic coupons and last-minute special offers.