Andrews Air Force Base, Maryland Area Code

Andrews Air Force Base, MD is officially utilizing an area code overlay in which area codes 240 and 301 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Andrews Air Force Base, MD area code information read more about area codes 240 and 301 details and Maryland area codes.

Andrews Air Force Base, MD is located in Prince Georges County and observes the Eastern Time Zone. View our Times by Area Code tool.