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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.

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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