I'm the IT Manager at my company. I went with XO Communications a little over 2 years ago to provide us with voice and data communication. Now, at the end of the 2 year contract, I'll write a...

I never worked for this company or got it's products, but I got two disturbing phone calls with only what sounded like someone masturbating on the other line that linked back to the company so...

If the service were actually good, the insane prices might be worth it. But they are absolutely not. They also use evergreen clauses to trick you into staying on as a customer. Do not use them....

This is the worst company that I have ever dealt with - I am leaving as soon as this contract is over. They tell you something and you expect it to happen. They will go back 6 months and find...

My business was an XO customer for 5 years. We had a split T1 consisting of 12 voice channels and 768K internet (this wasn't as slow as it sounds when we signed up around 6 years ago). Pros -...