When did pizza delivery start in the US?

Pizza delivery in the United States started in the early 1900s. One of the earliest known pizza delivery services was started by Gennaro Lombardi, who opened a pizzeria in New York City in 1905. Lombardi's pizzeria is credited with being the first pizzeria in the United States, and he is also credited with starting the first pizza delivery service. By the 1920s, pizza delivery had become a popular service in many cities across the United States.