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

Get your technical support questions answered live online.

Account Services

Check your balance, make a payment and more.

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Contact Number Notes
Sales 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.
Carrier/National Accounts


Customer Service and Billing - Fredericksburg 866-811-4400


Customer Service and Billing - Northern Virginia 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