Glen Arm, Maryland Area Code

Glen Arm, MD Area Codes are

410, 443 and 667

Glen Arm, MD is officially utilizing an area code overlay in which area codes 410, 443 and 667 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Glen Arm, MD area code information read more about area codes 410, 443 and 667 details and Maryland area codes.

Glen Arm, MD is located in Baltimore County and observes the Eastern Time Zone. View our Times by Area Code tool.

Maryland Area Code Map