Where do you mail from 941 from Washington when no payments is attached to the form?

If you're filing Form 941 from Washington and no payment is attached, you should mail it to the appropriate IRS address based on your location. For Washington, you would typically send it to the IRS, P.O. Box 409101, Ogden, UT 84409. Always check the latest IRS instructions for Form 941 to confirm the correct mailing address, as these can change.