Sonic adresses in Thornton‚ CO Home Work hours Sonic hours Colorado Thornton AddressPhoneMap8711 Washington St Thornton(303) 288-7279 3605 E 104th Ave Thornton(303) 255-4668 You May Like Cold Stone Creamery hoursLong John Silver's hoursWendy's hoursNoodles & Company hoursOlive Garden hoursStarbucks hoursPeople Are Reading