Home > Locations > Grand Junction, CO Grand Junction, CO Location Information 2517 Weslo Avenue, Grand Junction Grand Junction, CO 81505-6927 Get directions Phone: (970) 242-3011 Toll Free: (877) 801-3527 Fax: (970) 242-3072 ServiceAvailable onsite with appointment EvaluationAvailable onsite with appointment Normal Business Hours Monday - Friday 8:30 am to 12:30 pm 1:30 pm 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.