Carrier Support

Allegiance Care

Just for Carriers

Business Center

Reference Program

3-Month Guarantee

Carrier Customers Disconnect Form

XO® Customer Care

Allegiance Customers ONLY

Please visit the Allegiance Customer Support Center

Just for Carriers

Carrier / Wholesale Support Center

XO Customers ONLY

Account and Billing Information

Product Support Documentation

Online Tools

Integrated Services
- XOptions® Flex Portal (login via Business Center)
Dial-Up Customers
Hosting Customers
- XO Gateway
- 800 Number Access for Web Hosting Users
- Dedicated Hosting (formerly Managed Hosting)
- Domain Name System (DNS)
Internet Access
Voice Services
Private Data Networking Customers
- VPN Admin Interface

Contact XO

Customer Support Call toll-free 800.421.3872 Contact us online Manage your account online

Customer Care Notices
09/25/07 Know Your XO® Bill online demo 09/25/07 Glossary of Surchages and Taxes (PDF) View All Notices...

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