TERRELL, Texas – Suddenlink will soon begin offering download speeds up to 150 megabits per second (Mbps) and upload speeds up to 7.5 Mbps in 10 Dallas area communities including Forney, Terrell, Talty, Seagoville, Heath, Rockwall, Royse City, Fate, and McClendon-Chisholm, Suddenlink announced earlier this month.