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XO is Here to Help
Use the form below to contact our Customer Care department, or just call us toll-free
using one of the product phone numbers below.
- Report a non-urgent trouble or repair issue.
- Place an order or make a change
to your existing service.
- Inquire about your bill.
Customer Support Online
Customer Support Numbers
- All XO Communications Products
- XO Communications Products Support Number
- 1.800.421.3872
- Service issues that require immediate assistance
- Allegiance Telecom Products
- Former Allegiance Products Support Number
- 1.800.553.1989.
- Service issues that require immediate assistance