Area Codes in Oklahoma
5 active area codes · United States · Central Time
Oklahoma has 5 active area codes in the North American Numbering Plan: 405, 539, 572, 580, 918. All area codes in Oklahoma observe Central Time.
5
Area Codes
1
Time Zone
4
Overlay Codes
405
Oklahoma City
Overlay
Central
539
Tulsa
Overlay
Central
572
Oklahoma City
Overlay
Central
580
Lawton
Central
918
Tulsa
Overlay
Central
About Oklahoma Area Codes
Oklahoma currently has 5 active area codes in the North American Numbering Plan: 405, 539, 572, 580, 918. These operate in the Central Time time zone.