Norman, OK is currently using one area code which is area code 405. Area Code 405 was created in 1947 and was one of the original area codes assigned to Oklahoma.
In addition to Norman, OK area code 405 serves a large portion of central Oklahoma including Oklahoma City and the larger cities and communities of Bethany, Del City, Edmond, Midwest City, Moore, Norman, Shawnee, and Stillwater in addition to many smaller communities.
Norman, OK is located in Cleveland County and observes the Central Time Zone.
View our Times by Area Code tool.