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[edit]
- ^ "New area code number takes effect". KFOR.
- ^ "572 area code, what you need to know". Dobson.net.
- ^ "Mandatory 10 digit dialing". okcommerce.gov.