539 Area Code
Oklahoma, USA
Local time now · Central Time
2:45 AM
Area code 539 is in Oklahoma, USA, serving Tulsa and Okmulgee. It uses Central Time — the time there now is 2:45 AM. 918 is an overlay for the same area, so local calls need 10-digit dialing. In service since 2011.
| Area code | 539 |
|---|---|
| Location | Oklahoma, USA |
| Major cities | Tulsa, Okmulgee |
| Time zone | Central Time |
| Overlay codes | 918 |
| In service since | 2011 |
Other area codes in Oklahoma
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Frequently asked questions
Where is area code 539?
Oklahoma, USA — including Tulsa and Okmulgee.
What time zone is area code 539?
Central Time.
How do I call a 539 number from abroad?
Dial your international access code, then 1 (the country code), then 539 and the 7-digit number — for example +1 539 555 0100. From the UK or India dial 00 1 539 …; from Bangladesh 00 1 539 … .
Is a call from 539 a scam?
Not by itself — 539 is an ordinary geographic area code in Oklahoma. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.