Home > Locations > Mountlake Terrace, WA Mountlake Terrace, WA Location Information 6404 216th Street SW Mountlake Terrace, WA 98043 Get directions Phone: (206) 204-3330 Fax: (206) 204-0131 Normal Business Hours Monday - Friday 8:30 am to 5:00 pm 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.