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US area code · Oklahoma

539 area code

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.

Number holders in area code 539

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 253 prefixes are in use in 539, shared by 40 companies. The largest holders:

CompanyPrefixesShare
Onvoy, LLC3413%
Level 3 Communications, LLC2811%
Fractel, LLC229%
United States Cellular218%
Bandwidth.Com CLEC, LLC187%
T-Mobile USA, Inc.177%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 539 numbers

Reports to the FTC, last 30 days
106
Recorded messages or robocalls
66%
Rank among area codes
#372 of 670
Most reported subjects
Other (38)
Reducing your debt (credit cards, mortgage, student loans) (25)
Dropped call or no message (16)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

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

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