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 Taco Bell hoursFirehouse Subs hoursKrispy Kreme hoursWaffle House hoursT.G.I. Friday's hoursQuiznos hoursPeople Are Reading