In which county is ZIP code 20159 located?

ZIP 20159 is listed under Loudoun, VA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20159: Hamilton, VA

ZIP: 20159

County: Loudoun

Coordinates: 39.13390, -77.66210

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 20159 in Hamilton, VA. We include verified county details for Loudoun plus key geographic references used for mapping and logistics.

Primary City	Hamilton
ZIP Code	20159
County	Loudoun
State	VA
Latitude / Longitude	39.13390, -77.66210
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 20159 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 20159 is approximately 39.13390 (latitude) and -77.66210 (longitude). This location sits within Loudoun, contributing to regional planning across VA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20159 for mail delivery and general location reference in Loudoun, VA.

Some addresses near Hamilton may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Hamilton within VA.

Frequently Asked Questions

What is the primary city for ZIP code 20159?

The primary city for this ZIP code is Hamilton, located in VA.

In which county is 20159 located?

ZIP code 20159 is situated within Loudoun, VA.

What are the coordinates for 20159?

The approximate center point is 39.13390 (Latitude) and -77.66210 (Longitude).

Is ZIP code 20159 active?

This page lists ZIP 20159 as Listed based on the latest refresh date shown above.

Does ZIP 20159 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08