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US area code · Oklahoma

Area code 918

Where the 918 area code is, its overlay and how to dial a +1 918 number from anywhere.

CoversBartlesville, OklahomaTime zoneCentral (CT)TypeOverlay
Quick answer

The 918 area code is in Bartlesville, Oklahoma, United States (Central (CT)). To call from abroad: +1 918 555-0123. It is an overlay, so all 10 digits are dialled.

StateOklahoma
Main areaBartlesville
Time zoneCentral (CT)
TypeOverlay
10-digit dialingRequired
In service since01-Jan-1953

The 918 area code is a geographic North American Numbering Plan (NANP) code covering Bartlesville, Oklahoma. It has been in service since 01-Jan-1953 and sits in the Central (CT) time zone.

Overlay 918 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.

918539

How to dial a 918 number

From abroad+1 918 555-0123
Within the US / Canada1 918 555-0123
Locally (same area)918 555-0123

Cities in the 918 area code

A 918 number is usually in one of these places in Oklahoma — 4 counties.

Bartlesville WashingtonBroken Arrow Tulsa;WagonerMuskogee MuskogeeTulsa Creek;Tulsa

Other Oklahoma area codes

405539572580

Frequently asked questions

Where is the 918 area code?

The 918 area code is in Bartlesville, Oklahoma, United States (Central (CT)).

Is 918 an overlay area code?

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

Do I have to dial 10 digits for 918?

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

How do I call a 918 number from another country?

Dial your exit code (or +), then 1, then 918, then the number: +1 918 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 918 number does not pinpoint a street or ZIP code.

Missed a call from +1 918?

In the 30 days to September 24, 2026, 980 unwanted calls showing a 918 number were reported to the US Federal Trade Commission, 82% of them recorded messages or robocalls. That puts 918 at #45 of 670 area codes reported.

Calls pretending to be government, businesses, or family and friends500
Other211
Reducing your debt (credit cards, mortgage, student loans)111
Medical & prescriptions69
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 918 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 +1 918 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 918:

Southwestern Bell 236New Cingular Wireless PCS, LLC 93Cellco Partnership Dba Verizon Wireless 50T-Mobile USA, Inc. 49Valor Telecom Tx.LP-Ok Dba Windstream Comm Sw 36United States Cellular 32

About 26% of the 799 prefixes in use belong to mobile carriers: a 918 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 918 — cities & rate centres