Mailing address: Oregon Department of Revenue
P.O. Box 14800
Salem, OR 97309-0920
Phone: 503-945-8091
Note: Contact the Oregon Department of Revenue for the Oregon State Tax Payer ID # at 503-945-8091. Select option #2 to speak to a specialist for guiding of registration.
The Oregon State Tax Payer ID # is required to contract with OPERS.