Business Hours
- Monday-Thursday: 9AM-9PM (Eastern Time)
- Friday: 9AM-5PM (Eastern Time)
- Saturday: 10AM-2PM (Eastern Time)
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Phone/Fax (US &
Canada)
- TOLL-FREE Tel: (888) 414-1874
- TOLL-FREE Fax:
(866) 783-0169
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Phone (Outside US & Canada)
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Phone (Tax Department) |
E-mail
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Mailing Address (New York Office)
- DOTAuthority.com
- 340 Veterans Highway
- Commack, NY 11725
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Mailing Address (Tax Department)
- DOTAuthority.com
- 1533 N. 12th Street
- Bismarck, ND 58501
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