Oklahoma area codes
- Area codes in
- 5
- State
- Oklahoma
- Oklahoma is served by 5 area codes, from 405 in 1947 to 572 in 2021. 2 of them are overlays, added as older codes filled up.
- Updated 8 October 2026
Now in Oklahoma
Central Time · UTC−6, UTC−5 in summer
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Central Time
Typical business hours, 9 to 5 Monday to Friday.
Typical business hours, 9 to 5 Monday to Friday, shown as the blue arc. A guide to when a real Oklahoma office is likely to answer. It says nothing about who called you.
01
All area codes in Oklahoma
02
Oklahoma area codes by city
These are the Oklahoma cities served by more than one area code, or whose code also covers a wider area.
03
Overlay codes and dialling rules in Oklahoma
2 of Oklahoma’s 5 area codes are overlays — a second code laid over an existing footprint instead of splitting it. Wherever an overlay operates, local calls require the full ten-digit number.
04
Spam call reports in Oklahoma
These Oklahoma area codes drew the most reports to the FTC in the 30 days to 8 October 2026. The figures describe numbers displaying each code, which caller ID spoofing can fake.
Most reported Oklahoma area codes · last 30 days
| # | Code | Primary city | Reports (30 days) |
|---|---|---|---|
| 1 | 405 | Oklahoma City | 1,498 |
| 2 | 918 | Tulsa | 694 |
| 3 | 580 | Lawton | 393 |
| 4 | 572 | Oklahoma City | 226 |
| 5 | 539 | Tulsa | 109 |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 8 October 2026. Request a correction. Month-over-month figures appear once two complete 30-day windows exist.
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05
Questions
How many area codes does Oklahoma have?
Oklahoma has 5 area codes: 405, 539, 572, 580, 918.
What is the main area code for Oklahoma City?
The main area code for Oklahoma City is 405.
Which Oklahoma area code is oldest?
Area code 405 is the oldest in Oklahoma, in service since 1947.
Do I need to dial ten digits in Oklahoma?
Yes, wherever an overlay operates. 2 of Oklahoma’s area codes are overlays, and local calls within an overlay area require the full ten-digit number.
Which Oklahoma area code gets the most spam calls?
Area code 405 (Oklahoma City) drew the most reports of any Oklahoma code in the 30 days to 8 October 2026, with 1,498 numbers reported.
Neighbouring states
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