List of Oklahoma area codes
The state of Oklahoma is served by the following area codes:
- 405: Central Oklahoma including Oklahoma City (original area code created in 1947; 572 added as overlay on April 24, 2021[1][2][3]
- 580: Western and southern Oklahoma (split from 405 in 1997)
- 539/918: Northeastern Oklahoma including Tulsa (918 created in 1953 as split from 405; 539 added as overlay in 2011)
References
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Lists of area codes in the North American Numbering Plan
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