Below is a list of all Frederick County Government departments and phone numbers. If you click on the department name you will be taken to the department home page for full contact information.
Department
Phone
Board of Supervisors
540-665-5600
Budget
540-665-5610
Building Inspections
540-665-5650
Clerk of the Circuit Court
540-667-5770
Commissioner of the Revenue
540-665-5681
Commonwealth's Attorney
540-665-6383
County Administration
540-665-5600
County Attorney
540-722-8383
Court Services
540-665-5633
Economic Development Authority
540-665-0973
Engineering
540-665-5643
Esther Boyd Animal Shelter
540-667-9192
Finance
540-665-5610
Fire & Rescue
540-665-5618
Geographic Information Systems
540-665-5614
Health Department
540-722-3470
Human Resources 
540-665-5668
Information Technology
540-665-5614
Landfill
540-665-5658
Management Information Systems
540-665-5620
Northwestern Regional Adult Detention Center
540-665-6374
Parks & Recreation
540-665-5678
Planning & Development
540-665-5651
Public Safety Communications
540-665-6356
Public Works
540-665-5643
Purchasing
540-665-5610
Recycling
540-665-5643
Sanitation Authority
540-868-1061
School Board
540-662-3888
Shawneeland Sanitary District
540-877-1035
Sheriff's Office
540-662-6168
Social Services
540-665-5688
Treasurer 
540-665-5607
Victim/Witness 540-665-6369
Virginia Tech Extension Office
540-665-5699
Voter Registration
540-665-5660
Winchester Regional Airport
540-662-2422