How many area codes does Washington have?

Washington has 5 active geographic area codes in the North American Numbering Plan: 206, 253, 360, 425, 509. Each code serves a distinct region or acts as an overlay for a high-demand metro area.

What is the oldest area code in Washington?

The oldest area code in Washington is 206, assigned in 1947. It serves Seattle and the Seattle Metro region. 206 is one of the original 86 area codes created when the North American Numbering Plan was first established.

Can I get a Washington phone number from anywhere?

Yes. DialPhone virtual phone numbers are not tied to a physical location. You can get a Washington area code number and use it from any device — desktop, mobile, or browser — anywhere with an internet connection. This makes Washington numbers ideal for remote teams, distributed businesses, and sales teams targeting Washington customers.

How much does a Washington area code number cost?

DialPhone plans start at $24 per user per month on the Core plan. Every plan includes your choice of Washington area code number, unlimited US and Canada calling, business SMS, AI call captions, and a free 14-day trial — no credit card required. See the DialPhone pricing page for current tier details.

Can I port my existing Washington number to DialPhone?

Yes. DialPhone supports free number porting from any major US or Canadian carrier, including existing Washington area code numbers. Porting typically completes in 2 to 5 business days with zero service interruption. See the complete number porting guide for step-by-step instructions.

What time zones are used in Washington?

Washington area codes span the PT time zone. When scheduling calls with Washington customers, verify the specific area code's time zone to avoid calling outside business hours.

Area Codes in Washington — Local Business Phone Numbers

Quick answer

Washington has 5 active geographic area codes covering Seattle, Olympia, Tacoma. The most-recognized codes are 206, 509, 360, serving Seattle and the Seattle Metro region.

Total codes: 5
Top metro: Seattle
Time zone: PT
Largest code: 206 (Seattle)

By Darshan M

Growth Operations Lead at DialPhone · Verified against NANPA data

Area codes in Washington

Washington is served by 5 active geographic area codes in the North American Numbering Plan. These codes were assigned between 1947 and 1995 as population and call demand grew across the state.

Code	Primary City	Region	Established	Overlay Codes	Population
206	Seattle	Seattle Metro	1947	564	1,500,000
253	Tacoma	South Puget Sound	1995	564	1,000,000
360	Olympia	Western Washington	1995	564	1,200,000
425	Bellevue	Seattle Eastern Suburbs	1995	—	900,000
509	Spokane	Eastern Washington	1947	—	900,000

Time zones in Washington

All area codes in Washington fall in the PT time zone.

PT — area codes: 206, 253, 360, 425, 509

Top metros and their area codes

Below are the primary cities in Washington and the area codes that serve each metro. Cities with multiple codes share geography due to overlay assignments added as demand grew.

Bellevue — 425
Olympia — 360
Seattle — 206
Spokane — 509
Tacoma — 253

Why get a local Washington number?

A Washington area code number gives your business three core advantages:

Local trust signal. Customers in Washington recognize local area codes as their own. A familiar caller ID builds immediate credibility for service businesses, sales teams, and patient communication.
Higher answer rate. Calls from a local area code are answered far more often than toll-free or out-of-area numbers — industry data puts the lift at 20–40%. That difference matters most for outbound sales, appointment confirmations, and service callbacks.
Targeted marketing. Advertising a local Washington number on print, radio, digital, and outdoor channels converts better than a national 800 number for audiences who prefer doing business locally.

How to get a Washington area code number with DialPhone

Setting up a Washington business number takes under 10 minutes:

Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
Search available Washington numbers. Filter the DialPhone number inventory by state, area code, city, or number pattern.
Choose your number and configure. Assign your new Washington number to a user or team, configure call routing, voicemail, AI receptionist, and business SMS.
Port your existing number (optional). Already have a Washington number? Free number porting completes in 2 to 5 business days with zero service interruption.