Address:
P.O. Box 40413
106-B Newhouse Building
Olympia, WA 98504-0413

Phone: (360) 786-7624
Toll-Free: 1 (800) 562-6000
Fax: (360) 786-7819
 

District Office Address:
326 S Cedar St., Suite B
Moses Lake, WA 98837

Phone: (509) 766-6585