The 564 area code covers the same area as 360, including Vancouver, Olympia and 60 more places in Washington.
Area code 564 is in Washington, on Pacific Time. In the 564 area, phone numbers are given out most in Clark County, then Thurston and Kitsap counties. It has been in service since August 28, 2017. 206 and 360 cover the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Washington, mostly Clark County, Thurston County and Kitsap County
- Time zone
- Pacific Time
- In service since
- August 28, 2017
- Shares its area with
- 206 (since 1947) and 360 (since 1995)
- Prefixes in use
- 95
- How to dial
- Local calls need all 10 digits: 564-555-0142.
Find out who called you from a 564 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 (564) number is on today, use our free carrier lookup.
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Bremerton holds 18% of the phone prefixes in area code 564.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 95 prefixes in use shows where 564 numbers are actually given out.
- Bremerton17 prefixes, 18%
- Vancouver14 prefixes, 15%
- Olympia9 prefixes, 9%
- Longview6 prefixes, 6%
- Aberdeen5 prefixes, 5%
- Centralia4 prefixes, 4%
- Silverdale3 prefixes, 3%
- Marysville3 prefixes, 3%
Also served: Aberdeen, Snohomish, Oak Harbor and Chehalis and 50 smaller places.
T-Mobile holds the most phone number prefixes in area code 564: 22 of 95.
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 95 prefixes in use in 564 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| T-MobileMobile network | 22 | 23% |
| Teleport (AT&T)AT&T's business phone network | 8 | 8% |
| Fractel | 7 | 7% |
| Ton80 Communications | 6 | 6% |
| Level 3 (Lumen)Lumen's business and wholesale network | 4 | 4% |
| Comcast (Xfinity)Cable company's phone service | 3 | 3% |
| 14 other carriers | 45 | 47% |
100% 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.
564 started in 2017 as an overlay on 360, and its ground has not changed since.
2017
564 starts on August 28, 2017, as an overlay on 360: new numbers on the same ground.
A 564 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 564 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 564.
Where is area code 564?
564 covers Vancouver, Olympia, Mount Vernon and Marysville and 58 more places in Washington. In the 564 area, phone numbers are given out most in Clark County, then Thurston and Kitsap counties.
What state is area code 564 in?
Washington. 564 is a Washington area code on Pacific Time.
What cities use area code 564?
The places holding the most 564 prefixes are Vancouver, Olympia, Mount Vernon, Marysville, Silverdale, Longview, Bremerton and Port Angeles, out of 62 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 564?
No single phone company owns 564. NANPA's records show T-Mobile holds the most 564 prefixes, 22 of 95, followed by Teleport (AT&T) and Fractel. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 564 in?
564 is on Pacific Time.
When did area code 564 start?
564 went into service on August 28, 2017, as an overlay on 360: new numbers for the same area.
Is 564 the same area as 206 and 360?
Yes. 206 (since 1947) and 360 (since 1995) cover the same ground as 564. Nobody's number changed when they were added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 564 number?
Local calls need all 10 digits: 564-555-0142.
Is 564 a toll-free number?
No. 564 is a regular area code for Vancouver and Olympia 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 564?
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 564 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 564 a scam?
564 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.