| Emergency Calls Only -- ambulance, fire, police | 911 |
| Police: Mount Vernon District -- non-emergency | 703-360-8400 |
| Police: Fairfax County -- non-emergency | 703-691-2131 |
| Inova Mount Vernon Hospital Emergency Department | 703-664-7111 |
| 24-Hour Emergency Mental Health Services | 703-573-5679 |
| Child Protective Services, Abuse and Neglect Hotline | 703-324-7400 |
| Adult Protective Services | 703-324-7450 |
| Domestic and Sexual Violence Hotline | 703-360-7273 |
| Women's Shelter | 703-435-4940 |
| Poison Control Center Hotline | 1-800-222-1222 |
| Pet Poison Control Center (fee, non-profit) | 1-888-426-4435 |
| Fairfax Water Emergency Hotline | 703-698-5613 |
| Washington Gas Emergency Hotline | 703-750-1400 |
