Home > Locations > Yakima, WA - Warehouse* Yakima, WA - Warehouse* Location Information 301 S. 11th Avenue Yakima, WA 98902 Get directions Phone: 509.902.8440 Fax: 509.492.4979 Normal Business Hours By Appointment Only After-Hours (Phone Support) Mon-Fri 5:00 pm - 12 am (EST) Sat-Sun 10:00 am - 7:00 pm (EST) (800) 500-9150 Log into myNumotion app to live chat, check your order status, or pay your invoice.