Map for Signal Zero Firearms LLC Map for Signal Zero Firearms LLC Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sports & Recreation >> Firearms Dealer Signal Zero Firearms LLC 1126 Sunshine DriveDandridge, TN 37725 | directions (865) 308-5277 Visit Site If your business isn't here and you are a Jefferson County Chamber Member or want to become a Jefferson County Chamber Member, please contact us today!