List of Oklahoma area codes

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

Area
code		 Year
created		 Parent
NPA		 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

References

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