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Taxpayer assistance

Do you need help? Tax Services can help you with your tax questions.

Many basic tax questions can be answered from our frequently asked questions or select the instructions for the tax form you are using. You might also find some of our related sites helpful. If you are e-filing and have questions regarding the software you are using, you must contact the software company.


We have recorded phone information about many of your Oregon tax questions, including refund information and ordering forms. Call 503-378-4988 from Salem or outside Oregon, or toll-free from an Oregon prefix at 1-800-356-4222. During tax season, which goes through April 15, you may experience wait times or busy signals due to high call volumes.


You may also e-mail general questions to us. Because we don't exchange confidential information via e-mail, you must speak with a representative for specific details regarding your account.


Tax Services representatives are available year-round, Monday–Friday, 7:30 a.m. to 5 p.m., except for Thursdays, when we are unavailable from 9–11 a.m. Extended hours during tax season (hours may vary).


Please remember:

  • Keep copies of all of your tax information so you can refer to it if you have questions.
  • Taxes owed are due by April 15 even if you have an extension.
  • If you e-file, you must get the Oregon acknowledgment as well as the federal acknowledgment as verification that your return has been received.