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Employment Security's office locations

Agency headquarters

Mailing address
P.O. Box 9046, Olympia, WA 98507

Street address
212 Maple Park Ave. SE, Olympia, WA 98501-2347

Phone number

Claims centers

Phone number
800-318-6022 (toll free)

Online Web form

Claims centers are call centers and do not have services for walk-in customers. 
If you need to use phones or computers to apply for benefits or file a weekly claim, WorkSource offices have phones and computers with internet connection available for use. Find a WorkSource office near you.

Do you have questions about a claim?

You must call the claims center at 800-318-6022 or send a completed online Web form.

Only claims center staff have access to your records and only they can answer questions about claims. 

Tax centers

Go to the tax center Web page.

Mailing address
For tax rate, penalties or benefits claimed by a former employee
Experience Rating/Benefits Charging Unit
P.O. Box 9046
Olympia, WA 98507

Phone numbers
888-836-1900, TTY 800-833-6388
Mailing addresses and fax number

Mailing addresses and fax numbers for employers regarding employee-benefit claims

WorkSource offices

Addresses and phone numbers
Go to the WorkSource website to find the WorkSource location nearest you.

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