Area code 240
Assigned to Maryland.
Area code 240 is a geographic code in the North American Numbering Plan. Most of this region uses the America/New York time zone.
Other area codes in Maryland: 227, 301, 410, 443, 667.
Is a call from 240 local?
Not necessarily. People keep their numbers when they move, internet phone numbers can be used anywhere, and robocallers often spoof local-looking numbers. Learn about spoofing.