Area Code 539 at a Glance
| Area code | 539 |
| Region | Oklahoma |
| Country | United States |
| Primary timezone | America/Chicago |
| Dialing format | +1 (539) NXX-XXXX |
Frequently Asked Questions
Where is area code 539?
Area code 539 serves Oklahoma, United States.
Who is calling me from area code 539?
A call from area code 539 most likely originates from Oklahoma, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 539 number?
Within North America: dial 1-539 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 539 and the number.