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Contact Us

If you have any questions or problems, please feel free to contact our office by email at or by phone at 1.888.472.8733. We look forward to the opportunity to help answer your questions. A member of the ISA customer service staff will assist you with finding and answer to your questions and or a solution to your problems.

If the issue cannot be resolved to your satisfaction by ISA staff, it will be forwarded to the ISA Executive Director who will contact you personally to address your concern. If the issue remains unresolved, the Executive Director will forward your concern to the ISA Board who will address the issue at the next scheduled meeting of the Board and provide you with options for how your concern can be reviewed and resolved using the due process procedures provided in the ISA Complaint Resolution Policy.

ISA is dedicated to providing quality customer service, we look forward to assisting you with your service needs.

Mailing Address

International Society of Arboriculture
P.O. Box 3129
Champaign, IL 61826-3129
United States

Physical Address

International Society of Arboriculture
2101 West Park Court
Champaign, IL 61821
United States

Phone and FAX Numbers

Toll Free: 1.888.472.8733
Phone: +1.217.355.9411
FAX: +1.217.355.9516

Hours of business

The ISA office is open from 8 a.m. to 5 p.m. Monday through Friday. The headquarters is located in Champaign, Illinois, and is in the Central Time Zone.

©International Society of Arboriculture 2009-2014
PO Box 3129 • Champaign, IL 61826, USA • +1.217.355.9411

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