| Emergency | Police/Fire/Ambulance | 911 |
| | For the Hearing Impaired | (TDD) 911 |
| Non-Emergency | Non-Emergency Police (Fairfax County) | 703-691-2131 |
| | For the Hearing Impaired | 703-204-2264 |
| | Non-Emergency Police (Fair Oaks Station) | 703-591-0966 |
| Poison Information | National Capital Poison Center, GWU | 202-625-3333 |
| Fairfax County Child Protection Service | Child Abuse Hotline | 703-324-7400 |
| Fairfax Hospital | Emergency Room | 703-776-4001 |
| | For the Hearing Impaired | 703-776-3199 |
| Fair Oaks Hospital | Emergency Room | 703-391-3644 |
| | General Number | 703-391-3600 |
| | Patient Information | 703-391-3980 |
| | For the Hearing Impaired | (TDD) 703-391-3480 |
| Human Services Information & Referral | | 703-222-0880 |
| | For the Hearing Impaired | (TDD) 703-803-7941 |
| | After Hours call the Hotline | 703-527-4077 |
| Pharmacy | CVS @ Greenbriar Towne Center-Open 24 Hours | 703-378-7550 |
| Utilities | Fairfax County Water Authority 8:00am-6:00pm | 703-698-5600 |
| | After Closing | 703-698-5613 |
| | Washington Gas (Escaping Gas) | 703-750-1000 |
| | Dominion Virginia Power | 1-888-667-3000 |
| | Sewer Line Breaks/Emergencies | 703-323-1211 |
| County Animal Shelter | 4500 West Ox Road Fairfax | 703-830-1100 |
| | Animal Problem Reports-Use Police Non Emergency | 703-691-2131 |
| VDOT:Highway Signs, Potholes... | Dead Animals, Sidewalk Repairs, State Roads | 703-383-8368 |
| Fairfax County: Street Signs | Missing or Damaged | 703-934-2840 |