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Area codes · United States

Area codes in Washington

  • 6 in service
  • 2 overlay complexes

Reviewed by Sujan ThapaliyaLast updated

What area codes does Washington use?

Washington has six area codes: 206, 253, 360, 425, 509, 564. All of them are in PT (UTC−8/−7).
Codes in service
6
Country
United States
Time zones
PT (UTC−8/−7)
Overlay complexes
206/564, 360/564
Same territory, more than one code.
Oldest / newest code
1947 / 2017

Directory

How many area codes does Washington have?

Each page covers where the code is, its time zone, the overlays sharing its territory, and what to do about unwanted calls from it.

6 in-service geographic codes, from the numbering plan administrator's register.
CodeTime zoneOverlaysIn service
206PT (UTC−8/−7)5641947
253PT (UTC−8/−7)None1997
360PT (UTC−8/−7)5641995
425PT (UTC−8/−7)None1997
509PT (UTC−8/−7)None1957
564PT (UTC−8/−7)2062017

Overlays

Which codes share the same ground?

An overlay adds a second code across the same geography rather than splitting the region in two, so nobody has to change their number — but every local call then needs ten digits, because seven no longer identifies a number uniquely.

  • 206 / 564 — 2 codes over one territory.
  • 360 / 564 — 2 codes over one territory.

3 codes here have no overlay: 253, 425, 509.

Unwanted calls

Is a call from a Washington code likely to be spam?

Not because of the code itself. Every code here serves real people and businesses. What makes an unfamiliar Washingtonnumber suspicious is a pattern rather than a prefix: unwanted callers routinely spoof caller ID to display a number in the recipient’s own area, because a familiar code is answered more often. That technique is called neighbour spoofing, and it means the code on your screen is evidence of what the caller wanted you to see rather than where they are.

The practical response is the same for every code: if you do not recognise the number, let it go to voicemail. A caller with a genuine reason leaves a message. If the calls repeat, report them — complaints are one of the strongest inputs into the analytics that get numbers labelled and blocked network-wide, which does more than blocking one number on one handset. There is a fuller treatment in how to block unwanted calls.

If it is your own calls into Washington going unanswered, the cause is usually the reverse of this: a number with no name attached to it, or one whose reputation was damaged before you rented it. Owning the number and registering a business name against it is what separates a local call that gets answered from one that gets ignored.

Frequently asked questions

How many area codes does Washington have?
Washington has six: 206, 253, 360, 425, 509, 564. That count changes as new overlays go into service, which happens when an existing code runs low on numbers.
What is the main area code for Washington?
There is no single main code. Washington is covered by six codes, and where two or more overlay the same territory neither is more "correct" than the other — a business on one street can hold numbers in either.
Why do some Washington numbers need ten digits for a local call?
Because overlays cover the same ground as the original code — 206 and 564; 360 and 564. Once two codes serve the same street, seven digits no longer identify a number uniquely, so every local call needs the area code too.
Does an area code tell me where the caller is?
Where the number was issued, not where the person is now. Mobile numbers keep their code when their owner moves, and businesses port numbers between locations, so treat a Washington code as a hint about origin rather than a location.
Can I get a Washington phone number for my business?
Yes. Local numbers in any in-service code can be provisioned and are yours to keep, port and route. Presenting a number local to the person you are calling measurably lifts answer rates, provided it is a number you own and answer.

Sources

  1. North American Numbering Plan Administrator — NANPAArea code assignments, relief planning, and which codes are in service across the North American Numbering Plan.
  2. ITU-T Recommendation E.164 — The international public telecommunication numbering plan — International Telecommunication UnionThe international number format, the 15-digit maximum, and how country codes and national numbers compose.

Get a Washington number that gets answered

A local code helps only when the number is genuinely yours and rings back to your team. Owned numbers, your business name on the caller ID, and calls signed at full attestation.

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