Contact Us AFC Urgent Care WalthamAddress1030 Main StreetWaltham, MAPhone 781-894-6900 Mon. 8:00 am - 8:00 pm Tue. 8:00 am - 8:00 pm Wed. 8:00 am - 8:00 pm Thu. 8:00 am - 8:00 pm Fri. 8:00 am - 8:00 pm Sat. 8:00 am - 8:00 pm Sun. 8:00 am - 8:00 pm