Amazon Prime Air drones, pictured, can carry packages weighing up to 5 pounds and are set to primarily fly in the suburbs of cities.

Prime Air delivers millions of items in as fast as 30 minutes and will reach communities with tens of millions of customers by year-end.

SAN FRANCISCO, Aug 19 : Amazon said on Wednesday it will expand its drone delivery service to reach hundreds of U.S. cities and towns by year end, up from 11 locations where it…