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US area code · Oklahoma

Area code 539

Where the 539 area code is, its overlay and how to dial a +1 539 number from anywhere.

CoversBartlesville, OklahomaTime zoneCentral (CT)TypeOverlay
Quick answer

The 539 area code is in Bartlesville, Oklahoma, United States (Central (CT)). To call from abroad: +1 539 555-0123. It is an overlay, so all 10 digits are dialled.

StateOklahoma
Main areaBartlesville
Time zoneCentral (CT)
TypeOverlay
10-digit dialingRequired
In service since04-Jan-2010

The 539 area code is a geographic North American Numbering Plan (NANP) code covering Bartlesville, Oklahoma. It has been in service since 04-Jan-2010 and sits in the Central (CT) time zone.

Overlay 539 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

539918

How to dial a 539 number

From abroad+1 539 555-0123
Within the US / Canada1 539 555-0123
Locally (same area)539 555-0123

Cities in the 539 area code

A 539 number is usually in one of these places in Oklahoma — 4 counties.

Bartlesville WashingtonBroken Arrow Tulsa;WagonerMuskogee MuskogeeTulsa Creek;Tulsa

Other Oklahoma area codes

405572580918

Frequently asked questions

Where is the 539 area code?

The 539 area code is in Bartlesville, Oklahoma, United States (Central (CT)).

Is 539 an overlay area code?

Yes. 539 overlays the same region as 918, so callers dial all 10 digits.

Do I have to dial 10 digits for 539?

Yes — dial the area code plus the seven-digit number.

How do I call a 539 number from another country?

Dial your exit code (or +), then 1, then 539, then the number: +1 539 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 539 number does not pinpoint a street or ZIP code.

Missed a call from +1 539?

In the 30 days to September 24, 2026, 106 unwanted calls showing a 539 number were reported to the US Federal Trade Commission, 66% of them recorded messages or robocalls. That puts 539 at #372 of 670 area codes reported.

Other38
Reducing your debt (credit cards, mortgage, student loans)25
Dropped call or no message16
Calls pretending to be government, businesses, or family and friends8
Before you call back
  • If you do not know anyone in Oklahoma, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 539 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 539 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 539:

Onvoy, LLC 34Level 3 Communications, LLC 28Fractel, LLC 22United States Cellular 21Bandwidth.Com CLEC, LLC 18T-Mobile USA, Inc. 17

About 12.6% of the 253 prefixes in use belong to mobile carriers: a 539 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 539 — cities & rate centres