XO Communications USA is one of the largest service providers in the country. Previously known as Nextlink Communications, XO communications currently stands as the leading provider of advanced communications, managed network and IT infrastructure services exclusively for wholesale customers and businesses. Their clientele includes almost half of the telecommunication companies in the fortune 500. XO communications are dedicated in taking your business to new heights and fulfilling all your communication needs no matter where you are. In case you are interested in getting in touch with XO communications to avail their services and get a competitive quote, feel free to call the XO Communications Customer Service Phone Number which is provided below. You can also call the OX communications customer support number in case you have any problems with your XO connections or if you have any enquiries about your connection.

XO Communications Customer Support Number

Current Customers: 800.421.3872
Carrier/Wholesale: 877.792.5550
Hosting Services: 888.575.6398
Cloud Computing/CDN: 855.227.2142
Contact Sales: 855-649-5856
855-339-4417 (Call for competitive pricing or submit a Request a Quote form)

XO Communications is set apart from their competition on account of their excellent service and their team of professionals who are always ready to assist you with any queries you might have regarding their service. Their representatives are always at the ready just in case you need any help. They understand the importance of the combination of cutting edge technology and customer service. If you have any further queries you can call the XO customer service number express your concerns in writing by writing to them at the XO Communications Headquarters Office Address provided below.

XO Communications Headquarters Office Address

Address: XO Communications, Inc.
13865 Sunrise Valley Drive, Herndon, VA 20171
United States

XO communications has been recognized as the leader in the communications industry as evident from the fact that 50% of the fortune 500 companies are their clients. Xo communications offers the best service to their clients along with cutting edge technology. They are dedicated into fulfilling all your communications needs no matter what they may be.