Thank You for Your Interest in XO Communications

More than 50 percent of companies in the Fortune 500 trust XO to help them meet their business critical needs. They appreciate the superior customer experience and higher level of service quality and support we offer. Please let us know how we can help you by clicking to and filling out one of our forms, or by giving us a call. We look forward to helping you and your business achieve your mission critical goals through our excellent Services & Solutions. 

Customer Support

Visit Our  Customer Support Page 

or call: 

- General Customer Support: 800.421.3872

- Service Upgrades: 855.649.5856

- Wholesale Support: 877.792.5550 

- Hosting Services Support: 888.575.6398 

- Cloud Computing/CDN: 855.227.2142


Contact Sales:

Business Sales: 866.349.0134

Request a Quote: 855.339.4417

Free Consultation: 800.444.5910

Small Business Sales: 855.344.2360

Wholesale Sales:

Request Information: 800.474.1763