- Cox Communications — 703-378-8400
- Comcast Cable (Reston only) — 800-COMCAST
- Verizon FiOS — 800-483-4000
- Dominion Virginia Power — 888-667-3000
- Northern Virginia Electric Cooperative (portions of western Fairfax County only) — 888-335-0500
- Washington Gas, Virginia Division — 703-750-1000
- Columbia Gas of Virginia (small areas of Fairfax County, including all of Ashnut Lane; check your meter) — 800-544-5606
- Fairfax County Office of Waste Management — 703-324-5030
- Comcast Communications -- 1-800-COMCAST
- Cox Communications -- 703-378-8422
- RCN Telecom Services -- 800-746-4726
- Verizon -- 703-954-6222or 800-483-4000
- Verizon Business -- 800-826-2355 or 800-483-5000
- Fairfax Water — 703-698-5800
- City of Fairfax — 703-698-5800
- City of Falls Church — 703-698-5800
- Town of Herndon — 703-435-6814
- Town of Vienna — 703-255-6385