Contact Us

GSA SALES & SERVICE

One-stop shopping for all your GSA needs.

Reach Us:

  • On the Web
  • by e-mail: gsaservice@geosociety.org
  • by FAX: +1-303-357-1070
  • by phone: +1-303-357-1000
    or
    Toll free: +1-888-443-4472

GSA Headquarters:

Mailing Address:
The Geological Society of America
P.O. Box 9140
Boulder, CO 80301-9140
[ map & directions ]

Packages Only:
The Geological Society of America
3300 Penrose Place
Boulder, CO 80301-1806

Phone: +1-303-357-1000
FAX: +1-303-357-1070

Washington Office:

Kasey White
Director for Geoscience Policy  
+1-202-669-0466

Mailing Address:
Geological Society of America
1200 New York Avenue NW, Suite 400
Washington, DC 20005
[ map & directions ]