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Contact Us

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 (US and Canada)
Phone: +1.217.355.9411
FAX: +1.217.355.9516

Hours of business

Monday through Friday – 8:00 am - 5:00 pm (Central Time Zone)

Periodically throughout the year the office is closed for holidays. Closure announcements will be posted on the ISA web site. View scheduled office closures.


Questions and Concerns

ISA is dedicated to providing quality customer service. Our customer service staff look forward to assisting you with your service needs, so please contact our office by email or by phone at +1.217.355.9411.

If further resolution is needed or requested, the ISA Executive Director will be asked to contact you directly to address your concern.

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

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