| Emergency |
| Child Abuse and Neglect | (703) 792-4200 |
| Fire and Rescue and Ambulance | (703) 792-6500 |
| Gas | (703) 750-1000 |
| Poison Center | 1-800-222-1222 |
| Police | (703) 792-6500 |
| Water and Sewer | (703) 335-7900 |
| Public Information |
| American Heart Association | (703) 914-3700 |
| American Red Cross | (703) 368-4511 |
| Animal Control | (703) 792-6465 |
| Building Development | (703) 792-6830 |
| Interfaith Volunteer Caregivers | (703) 369-5063 |
| United States Post Office | 1-800-275-8777 |
| Prince William County Agency on Aging | (703) 792-6400 |
| Prince William County Health Department | (703) 792-6300 |
| Prince William County United Way | (703) 792-6400 |
| Prince William County Visitor Center | (703) 491-4045 |
| Supervisor, Gainesville District; John Stirrup, Jr. | (703) 792-6195 |
| The Salvation Army | (703) 221-2267 |
| Weather | (703) 260-0107 |
| Schools |
| Prince William County School Board | (703) 791-7200 |
| Alvey Elementary School | (571) 261-2556 |
| Battlefield High School | (571) 261-4400 |
| Bull Run Middle School | (703) 753-9969 |
| Utilities and Services |
| Advanced Broadband (cable TV and internet) | 1-877-533-4237 |
| American Disposal Services (trash pickup) | (703) 368-0500 |
| NOVEC (electricity) | (703) 335-0500 |
| PWCSA (water and sewer) | (703) 335-7950 |
| Verizon (telephone) | 1-800-583-5300 |
| Washington Gas (gas) | (703) 750-1000 |