Oklahoma Area Codes
Directory of all 5 telephone area codes assigned to Oklahoma.
Oklahoma phone numbers are served by 5 area codes operating in the Central timezone.Because an overlay is active, 10-digit dialing is mandatory across much of the state. No area codes in Oklahoma are currently flagged as high-risk scams.
Most populated prefix: area code 405 (Oklahoma)
All Area Codes in Oklahoma
Area Code 405
Oklahoma City, Norman, Edmond, Moore, Midwest City, Stillwater, Shawnee, Yukon, Mustang, Del City
Area Code 539
Tulsa, Broken Arrow, Owasso, Bartlesville, Muskogee, Bixby, Jenks, Sapulpa, Claremore, Sand Springs
Area Code 572
Oklahoma City, Norman, Edmond, Moore, Midwest City, Stillwater, Shawnee, Yukon, Mustang, Del City
Area Code 580
Lawton, Enid, Ardmore, Ponca City, Duncan, Durant, Altus, Ada, Guymon, Weatherford
Area Code 918
Tulsa, Broken Arrow, Owasso, Bartlesville, Muskogee, Bixby, Jenks, Sapulpa, Claremore, Sand Springs
Major Cities Served by Oklahoma Area Codes
The most populous urban centers and census places covered by Oklahoma's area codes, ranked by population.
Oklahoma Area Code FAQs
Quick answers to common questions about Oklahoma telephone area codes.
How many area codes does Oklahoma have?
Oklahoma has 5 area codes: 405, 539, 572, 580, 918.
What timezone do Oklahoma area codes use?
Oklahoma area codes operate in the Central timezone.
What is the most populated area code in Oklahoma?
Area code 405 is the most populous prefix in Oklahoma based on covered city population.
Which Oklahoma area codes share an overlay?
405 and 572, 539 and 918. Overlay codes serve the same area, which is why 10-digit dialing is required.
Are there scam area codes in Oklahoma?
Oklahoma has no area codes currently flagged as high-risk scams.
About Oklahoma Area Codes & Phone Dialing Rules
When placing calls within Oklahoma, ten-digit dialing (area code + 7-digit telephone number) is required in overlay regions where multiple area codes serve the same geographic boundaries.