• Whether you’re looking for IP solutions to help support your growing small business, need robust communications solutions to help your enterprise work more efficiently, or want a partner that provides comprehensive networking solutions for your medium-sized business, consider XO Communications.

    We’re one of the country’s largest communications service providers, and we’re right here in Chicago.

  • The XO Service Portfolio: Chicago

    XO offers a variety of telecommunications services—all built on the foundation of our private, secure IP network. Some of the most commonly requested services in our Chicago office include:

    IP Voice and Data Services

    From business-grade VoIP to SIP Trunking and hosted PBX services, XO can help you minimize your cost and maximize your efficiency by combining your voice and data communications into a reliable, easy-to-manage network.

    Learn more about our IP Voice & Data Services>>

    Dedicated Internet Access

    With XO Dedicated Internet Access you get a dedicated port giving you true business-grade connectivity over the award-winning XO network. Internet Access options range from 1.5 Mbps to 100 Gbps to meet a variety of speed, data and bandwidth needs.

    Learn more about our Dedicated Internet Access Services>>

    Ethernet Services

    XO can create an easy-to-use, cost-effective Ethernet solution to meet your specific business needs, whether it be transferring sensitive data from branch locations to data centers or delivering high-speed Internet access and managed applications to your offices.

    Learn more about our Ethernet Services>>

    MPLS and VPLS Services

    Lower your costs, enjoy easier network management, increase your speed and improve the end user experience by deploying XO's secure MPLS and VPLS solutions across multiple sites.

    Learn more about our MPLS and VPLS Services>>

    Cloud-Based Solutions

    Flexible and Scalable, our cloud-based solutions offer fast deployment, reduced equipment costs, and simplified management. Choose XO for Hosted PBX, IT infrastructure, security, and backup solutions to all help you do business better!

    Learn more about our Cloud-Based Solutions>>

    Explore All of XO Communications' Services

    With experience creating, deploying and maintaining communications solutions for Chicago businesses in the entertainment, retail, financial, legal, and healthcare industries (among others), XO Communications has real-world expertise in overcoming communications challenges. Are you looking for a specific service or solution?

    See the full list of XO Communications' Services & Solutions>>

  • 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.

    855.339.4410

  • Small Business Sales

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

    855.344.2360

    Request Small Business Pricing
  • Colocation Facilities

    Swift Dr.
    1808 Swift Dr.
    Oak Brook, IL 60523

    South Dearborn Street
    140 S. Dearborn St.
    2nd Floor
    Chicago, IL 60603

    Jorie Blvd.
    810 Jorie Blvd
    1st Floor
    Oak Brook, IL 60523

  • Hyatt Drives Cusomer Loyalty with XO High Speed Internet Access


  • Reduce Mobile Costs with XO WorkTime


  • Chicago Sales Offices

    XO Communications
    810 Jorie Boulevard
    Oak Brook, IL 60523

    XO Communications
    233 South Wacker, 35th Floor
    Chicago, IL 60606

  • 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.