Internet Services Are Expanding In The Tri-Cities. Charter Is Now Offering Spectrum Internet Service Of Up To One-Gigabit-Per-Second For Residential And Business Customers In Carter, Sullivan And Washington Counties. In Johnson City, Brightridge Officials Are Continuing To Roll Out Fiber Optic And High-Speed Wireless Lte Service By The Start Of 2019, Which Will Offer Customers Speeds Of Up To 10-Gigabits-Per-Second. For More Information, Visit Spectrum.Com Or Brightridge.Com.