(240) 956-4438 was reported spam 0 times & was searched 0 times in 30 days by Whitepages users.
Area codes were created in the labs of AT&T and Bell in 1940. The concept of using area codes grew and modified with time. In 1947, area codes helped to overcome the shortage of phone numbers in countries like the U.S. and Canada through the North American Numbering Plan. Source: NationalToday.com