XO Communications Customer Service Number

XO Communications is a Verizon company that provides the technology that helps business and wholesale customers compete in a hyper-connected economy. In the U.S., XO owns and operates one of the largest IP and Ethernet networks that customers rely on for private data networking, cloud connectivity, unified communications and voice, Internet access, and managed services. To learn more about XO Communications, visit www.xo.com or blog.xo.com.