Home > Locations > Cerritos, CA Cerritos, CA Location Information 11075 Knott Avenue, Suites B&C Cypress, CA 90630 Get directions Phone: (562) 921-0258 Fax: (562) 921-3730 ServiceAvailable onsite with appointment EvaluationAvailable onsite with appointment Normal Business Hours Monday - Friday 8:00 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.