Subway Restaurant 6971 Broadway, Lemon Grove, CA91945 Subway has 33,417 restaurants in 92 countries and Lemon Grove is home to one. Its famous menu including health-conscious…More options has made Subway a must-go for millions of customers. Opened in 1965 and franchised in 1974, Subway is the largest submarine sandwich chain in the world. Lemon Grove's Subway has all of the favorite franchised submarine sandwiches and specials Subway is known for, and it also has weekly local store deals. Breakfast is served till 11:00am. Party subs can be prepared with two-hour notice and platters within 15 minutes.