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Contact Us for the Northern Virginia market area

Find a Cox Representative

Whether you're a new or an existing customer, reaching a knowledgeable Cox Business representative is easy. Contact us by phone or email to discuss your business needs and answer questions about our services.


Learn more about helping your business grow.

Technical Support

Chat with an agent for  technical support questions.

Account Services

Chat with an agent for billing and account questions.

Refer a Business

Earn rewards for business you refer to us.

Need Help? Let's Chat.

Live Chat agents are available to assist you with Sales, Billing, Account, and Technical Support needs.
Sales: Monday - Friday, 8 am - 9 pm
Support: 24 hours a day, 7 days a week

Contact Number Notes
Sales 1-866-456-9944  

24/7 Automated Support


24/7 access to check your balance, make a payment or receive automated technical support for TV, Internet and phone services.

24/7 Technical Support


Technical Support for Internet, Voice and TV services. Available 24 hours a day, 7 days a week.
Customer Service and Billing - Fredericksburg 1-866-811-4400


Customer Service and Billing - Northern Virginia 1-703-378-0882



Payment Address

P.O. Box 2000 
Herndon, VA 20171-3715

General Mailing Address

1310 Belman Road 
Fredericksburg , VA 22401


3080 Centreville Road 
Herndon, VA 20171-3715