405 Area Code
Oklahoma City, Oklahoma
Area code 405 is located in Oklahoma City, Oklahoma. It covers Oklahoma City, Norman, and surrounding areas in the Central time zone (UTC-6). Administered by NANPA.
Where is area code 405?
Area code 405 is located in Oklahoma City, Oklahoma. It covers Oklahoma City, Norman, and surrounding areas in the Central time zone (UTC-6).
Cities Covered by Area Code 405
Area code 405 primarily serves the Oklahoma City area of Oklahoma. The exact coverage includes Oklahoma City, Norman, and Edmond, along with surrounding communities and suburbs.
Time Zone
Central Time — UTC-6
Area code 405 operates in the Central Time Zone. When calling 405 numbers from a different time zone, be sure to account for the time difference to reach people during business hours.
About Area Code 405
Area code 405 was introduced in 1947 as a geographic area code serving Oklahoma City, Oklahoma. It remains the primary area code for this region. Area codes are administered by NANPA (North American Numbering Plan Administration), the organization responsible for managing phone number resources in the US and Canada.