• If you’re like many businesses in Phoenix and across the nation, your network serves as the lifeblood of your day-to-day business and communications. For something as mission-critical as your communications infrastructure, it’s important that you select a networking solutions partner with a proven track record of providing stellar business networking services.  Make your choice XO Communications.  As the #1 provider of business VoIP services in the United States, you can feel confident in your decision to trust us with your most important networking and communications needs.

    The XO Service Portfolio: Phoenix

    At XO, we literally own our own IP network that spans the country—in fact, our award-winning network serves as the foundation on which we build all of our service offerings.  We’re proud to offer a variety of services, and in Phoenix some of our most popular business networking services include: 

    CCOD (Contact Center on Demand)

    Looking for a quick-deploying, cost-effective contact center solution? Count on XO’s Contact Center on Demand.  Our hosted solution means lower upfront costs and reduced operational costs, and we can scale your Contact Center services to meet your changing needs and call volume. Learn more about our Contact Center on Demand Services>>

    Hosted PBX

    Future-proof your infrastructure with Hosted PBX services from XO.  You’ll enjoy all of the latest VoIP features and functionality while simultaneously lowering your capital and operational costs.  And XO makes it simple to scale, so you can easily add seats or even new locations as necessary. Learn more about our Hosted PBX Services>>

    Dedicated Internet

    For a scalable Internet access solution, turn to Business Internet services from XO. Our Dedicated Internet Access services gives you and your customers true business grade Internet access so you can quickly access connect to your online applications and content.  Learn more about our Business Internet Services>>

    Network/Cloud Security

    Protect your important data and applications from prying eyes and malicious threats with Cloud Security from XO. Our fully-managed cloud security solutions give you the security protection your business demands without requiring you to spend a ton of extra budget on staff or capital expenses. Learn more about our Cloud Security Services>> 

    SIP Services

    Leverage your investment in your current technology while experiencing all of the advantages of truly unified communications with SIP services from XO. You’ll enjoy simplified network management and improved network capacity while lowering your ongoing costs.  Learn more about our SIP Services>>

    Networking and Communications Services for Your Phoenix Business 

    XO Communications helps businesses of all sizes with their networking and communications services—from a single Mom & Pop operation to multi-location global enterprises—and we can help your Phoenix-based business too. Whether you’re looking for scalable Contact Center solution, want Hosted PBX services or simply need to learn more about what SIP services could do for your business, you can turn to XO for stellar service and proven solutions. Full List of Services.
  • The Right Network for Your Business

    Better solutions demand door-to-door delivery of communications traffic at the fastest speeds available. With XO, you’ll have leading IP and networking solutions delivered over our own private, award winning nationwide network to all your locations. Our unique combination of nationwide IP and transport networks, metro networks and fixed wireless capabilities allows us to provide maximum coverage, performance and scalability.

    Learn more about why we have The Right Network for your business >>

  • Medium/Enterprise Sales

    Let our local experts design a solution to meet your unique business needs with a free consultation.


  • Small Business Sales

    Call to talk to one of our Small Business Consultants, or click to fill out the form


    Request Small Business Pricing
  • Colocation Facilities

    E. Watkins Street
    3930 East Watkins Street.
    1st Floor
    Phoenix, AZ 85034

    E. Van Buren Street
    120 East Van Buren Street
    2nd Floor
    Phoenix, AZ 85004

  • Reduce Mobile Costs with XO WorkTime

  • Revving Up to Compete: XO Communications MPLS-enabled WAN and Kawasaki Motors Corp. U.S.A.

  • Sales Office Location

    XO Communications
    3930 East Watkins Street 
    Suite 200 
    Phoenix, AZ 85034 

  • Curious about our network coverage?

    The core of the XO IP network is a mesh of multiple 10 Gigabit (Gbps) circuits, connecting XO network nodes, peering POPs and XO Data Centers nationwide. The XO IP backbone runs across its own intercity fiber facilities, supported by terabit-capable core routing platforms and high-capacity peering interconnections. XO offers Dedicated Internet Access (DIA) and IP Transit customers enhanced Internet connectivity. This network design delivers maximum end-to-end throughput as well as high levels of protection, redundancy, and Quality of Service required to support XO Voice over IP services

    The XO IP network utilizes an advanced IP design, ensuring scalability as well as the ability to offer advanced future IP services plus the added benefit of no single IP point of failure past the customers' access port

    And since the XO IP network and market connections run end-to-end across XO facilities, XO can quickly resolve any problems that may occur; which eliminates many of the common failure points found in older network designs.

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    XO serves businesses nationwide and has global reach to more than 50 countries. Submit your U.S. business address to find out service options at your location.