 4 Southern Illinois Wireless Internet isn't a superhero in real life, but they might as well be. So the next time your computer's on the fritz, call the nerds first. Call the people who are reliable, fast, dependable, trustworthy, smart, and locally owned at the first sign of trouble. 4 Southern Illinois Wireless Internet. Don't cry. Call the CyY guy at 997-7494. That's 997-CYY. 997-S-I-W-I.