List of Oklahoma area codes

The state of Oklahoma is served by the following area codes:

Areacode Yearcreated ParentNPA Overlay Numbering plan area 405 1947 – 405/572 Central Oklahoma, including Oklahoma City 572 2021 405 918 1953 405 539/918  Northeastern Oklahoma, including Tulsa 539 2011 918 580 1997 405 –  Western and southern Oklahoma

See also List of North American Numbering Plan area codes Original North American area codes

References