All ZIP codes within approximately 40 miles of 20164 (Sterling / eastern Loudoun) now qualify for our 60-minute onsite target for critical incidents. This includes all of Loudoun (Ashburn, Leesburg, Purcellville, Middleburg), Prince William (Manassas, Gainesville, Haymarket, Bristow), western Fairfax, Arlington, Alexandria, core Montgomery County MD (Bethesda, Clarksburg), and eastern Frederick County (Frederick, Urbana). We come to you — no lab shipping.
Enter your ZIP below or on the homepage to confirm exact ETA.
We serve the entire DMV region. Typical response 75–150 minutes (or scheduled same/next day) for areas outside the core 1-hour radius around 20164:
Enter your ZIP on the homepage or during booking for exact ETA and any travel fees.
All cities listed below are inside the core ~40-mile 1-hour rapid radius from 20164.