Oklahoma area codes: full list with cities and how to dial
Oklahoma has roughly 4 million residents, and its phone numbers are organized into 5 area codes under the North American Numbering Plan. Oklahoma is served by 5 active geographic area codes, anchored by 405 in the Oklahoma City area. Oklahoma's two metro numbering plan areas (Oklahoma City and Tulsa) use overlays requiring ten-digit dialing. Every Oklahoma number is dialed as +1, then the three-digit area code, then a seven-digit local number. With Phonecall you can call any Oklahoma landline or mobile straight from your browser. There is no app to install, no SIM, and no subscription. You see the per-minute rate before you dial, billing is by the second, and your first call is free.
Call Oklahoma from your browserAll Oklahoma area codes
5 active geographic area codes in service across Oklahoma.
| Area code | Primary cities and region | Example number |
|---|---|---|
| 405 | Oklahoma City and central Oklahoma (overlay of 405/572) | +1 (405) 555-0100 |
| 572 | Oklahoma City and central Oklahoma (overlay of 405) | +1 (572) 555-0100 |
| 918 | Tulsa and northeastern Oklahoma (overlay of 918/539) | +1 (918) 555-0100 |
| 539 | Tulsa and northeastern Oklahoma (overlay of 918) | +1 (539) 555-0100 |
| 580 | Western and southern Oklahoma (Lawton, Enid, Ardmore) | +1 (580) 555-0100 |
Example numbers use the reserved 555-0100 range and are for illustration only.
How to call Oklahoma from abroad
Every Oklahoma phone number is part of the +1 North American calling zone. To reach one from outside the United States, dial three parts in order:
- 1. Your exit code, then +1 — the US country code.
- 2. The three-digit area code — for example 405 for the Oklahoma City area.
- 3. The seven-digit local number.
Example, full international format:
+1 (405) 555-0100
With Phonecall you skip the exit codes entirely. Enter the number in international format and we connect the call from your browser, billed by the second from $0.03/min, with no SIM, no app, and no monthly fee.
Why Oklahoma has multiple area codes
Oklahoma's two metro numbering plan areas (Oklahoma City and Tulsa) use overlays requiring ten-digit dialing.
When a region runs low on available numbers, the phone system adds capacity in one of two ways. A split divides the old region geographically and gives part of it a brand-new area code. An overlay keeps the existing code and layers a second one on top of the same area, which is why a single city can have several area codes and why ten-digit dialing becomes the norm. Either way, the number you dial always stays the same length: +1, the area code, then seven digits.
5
active area codes
~4 million
residents (approx.)
Oklahoma City
largest city
Calling Oklahoma with Phonecall
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Oklahoma area codes: frequently asked questions
What is the main area code for Oklahoma City?
Oklahoma City, the largest city in Oklahoma, is primarily served by area code 405 (Oklahoma City and central Oklahoma (overlay of 405/572)). Oklahoma has 5 area codes in total, listed in full above.
How do I dial a Oklahoma number from another country?
Dial your international exit code, then +1 (the US country code), then the three-digit Oklahoma area code, then the seven-digit local number. With Phonecall you just enter the number in international format and we connect the call from your browser, from $0.03/min.
How many area codes does Oklahoma have?
Oklahoma currently has 5 active geographic area codes in service. Oklahoma's two metro numbering plan areas (Oklahoma City and Tulsa) use overlays requiring ten-digit dialing.