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By Phone
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- Technical Support (Northern Virginia)
703-378-8422
24 hours a day
- Technical Support (Fredericksburg)
540-373-6343
24 hours a day
- Sales
703-378-8422
Monday through Friday: 8:00 am - 8:00 pm; Saturday: 9:00 am - 6:00 pm; Sunday: Closed
- Billing
703-378-8422
Monday - Saturday: 8:00 am - 9:00 pm
Send Payments or Write Us
Mail Cox services payments to
PO Box 9001089Louisville, KY 40290-1089
General mailing address and business office
3080 Centreville RoadHerndon, VA 20171
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