Wireless Zone® of Chelmsford 8:00 AM - 8:00 PM 8:00 AM - 8:00 PM 8:00 AM - 6:00 PM 8:00 AM - 8:00 PM 8:00 AM - 8:00 PM 8:00 AM - 8:00 PM 10:00 AM - 6:00 PM21 Drum Hill Road Chelmsford, MA 01824 USphone(978) 654-5066(978) 654-5066Get Directions