XO Communications Phone Numbers and Emails

Toll-Free Number:

  • (800) 421-3872


  • (703) 547-2000
  • (800) 421-3887
  • (800) 444-5910
  • (908) 559-3491
  • (855) 344-2360
  • (855) 605-9763
  • (877) 792-5550
  • (888) 575-6398
  • (855) 227-2142
  • (855) 649-5856
  • (866) 349-0134
  • (855) 339-4417
  • (800) 474-1763
  • (602) 324-6398
  • (949) 417-7158
  • (858) 244-4000
  • (408) 817-2800
  • (303) 539-1203
  • (305) 670-5659
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XO Communications Contact Information

XO Communications Website:

XO Communications Help Center:

Corporate Office Address:

XO Communications
13865 Sunrise Valley Drive
Herndon, Virginia 20171
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XO Communications Rating Based on 23 Reviews

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Product or Service Quality
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Summary of XO Communications Customer Service Calls

01:16 AVG CALL

Top Reasons of Customers Calls

Consumers Call the Most From

Why Do People Call XO Communications Customer Service?

Product/ Service Question:

  • “Can't connect”

Payments and Charges Question:

  • “Billing questions”

Other Question:

  • “Book flight”
  • “Ne”
  • “My reservation”


XO Communications Privacy Policy
The Company are an award-winning nationwide provider of data and IP services, serving leading brands across major industries. Stay connected with XO Communications's' growth. XO Communications have a long history of innovation, including the first 100G coast-to-coast network. Do business faster, efficiently, securely-with access anytime, anywhere, from nearly any device. When The User select XO as a provider, The company is with The Customer every step of the way—from design and consultation to installation, execution and training. Many of the most recognized companies and organizations trust XO Communications with their mission critical communications. But what is most important is not what The Company say about ourselves, but what XO Communications's' customers say about XO Communications When The User's employees are well connected, they can be more productive. This is vital to the success of any business in the digital economy.
To read more: https://www.xo.com/legal-and-privacy
Top XO Communications Services

Customer Care

Top XO Communications Products

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XO Communications Pros and Cons

Pros: Reliability

Cons: Horrible customer service, Outrageous attitude and arrogance, Expensive service, Criminal billing practices, Rain caused service loss

Related Companies

Verizon, Yahoo, Verizon Wireless, Aol, Alltel


XO Communications is a leading communication solutions company. It works with businesses, government, domestic and international telecommunications carriers, cable companies, content providers and mobile wireless companies. Company works through three units: XO Business Services, XO Carrier Services and XO Small Business Services. XO Communications provides such services as VoIP Services including IP Flex, XO SIP, XO Enterprise SIP, iPBX and XO Anywhere feature. Voice services include local services, long distance, conferencing, interactive voice services, mass notification system. XO Communication has network services with MPLS IP-VPN, IP Flex with VPN, dedicated internet access, Ethernet, private line, wavelength, collocation, fixed broadband wireless and managed security. Also company works with hosted services and caries and wholesale services.

XO Communications reviews and complaints

XO Communications is ranked 617 out of 1670 in Telecommunications category

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