The 206 area code covers Seattle and Vashon in Washington.
Area code 206 is in Washington, on Pacific Time. In the 206 area, phone numbers are given out in King County. It has been in service since 1947. 564 covers the same area, so two neighbours can have different area codes.
- Where
- King County, Washington
- Time zone
- Pacific Time
- In service since
- 1947, one of the original area codes
- Shares its area with
- 564 (since 2017)
- Prefixes in use
- 752
- How to dial
- Local calls need all 10 digits: 206-555-0142.
Find out who called you from a 206 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (206) number is on today, use our free carrier lookup.
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Seattle holds 90% of the phone prefixes in area code 206.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 752 prefixes in use shows where 206 numbers are actually given out.
- Seattle676 prefixes, 90%
- Vashon8 prefixes, 1%
Qwest (Lumen) holds the most phone number prefixes in area code 206: 243 of 752.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 752 prefixes in use in 206 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Qwest (Lumen)Lumen's landline company | 243 | 32% |
| T-MobileMobile network | 95 | 13% |
| AT&T MobilityMobile network | 58 | 8% |
| Level 3 (Lumen)Lumen's business and wholesale network | 39 | 5% |
| Allstream | 25 | 3% |
| SpokPaging network | 23 | 3% |
| 42 other carriers | 269 | 36% |
55% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
206 has been split 3 times since 1947.
1947
206 is one of the original North American area codes.
1995
On January 15, 1995, 360 splits off and takes part of the 206 area.
1997
On April 27, 1997, 253 and 425 split off and take part of the 206 area.
A 206 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 206 are 253, 425 and 503.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
Washington has 5 other area codes.
These are the questions people ask most about area code 206.
Where is area code 206?
206 covers Seattle and Vashon in Washington. In the 206 area, phone numbers are given out in King County.
What state is area code 206 in?
Washington. 206 is a Washington area code on Pacific Time.
What cities use area code 206?
The places holding the most 206 prefixes are Seattle and Vashon. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 206?
No single phone company owns 206. NANPA's records show Qwest (Lumen) holds the most 206 prefixes, 243 of 752, followed by T-Mobile and AT&T Mobility. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 206 in?
206 is on Pacific Time.
When did area code 206 start?
206 is one of the original North American area codes, in service since 1947.
Is 206 the same area as 564?
Yes. 564 (since 2017) covers the same ground as 206. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 206 number?
Local calls need all 10 digits: 206-555-0142.
Is 206 a toll-free number?
No. 206 is a regular area code for Seattle and Vashon in Washington, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 206?
The closest are 253 (Tacoma, Washington), 425 (Bellevue, Washington), 503/971 (Portland, Oregon) and 509 (Spokane, Washington), measured between the centres of each area.
Who called me from a 206 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 206 a scam?
206 is a real Washington area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.