Amazon Prime members in over 1.000 cities and towns can now get same-day grocery deliveries for free. Find out if it's available for you and how it works.

Amazon is expanding its same-day grocery delivery service to 1,000 cities and towns across the U.S., the company said Wednesday. It's also introducing thousands of perishable grocery items to its offerings,

Amazon said it will provide same-day deliveries of perishable groceries in 2,300 cities by the end of the year — more than double the current number of cities where this service is available.