In which county is ZIP code 20531 located?

ZIP 20531 is listed under District of Columbia, DC.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20531: Washington, DC

ZIP: 20531

County: District of Columbia

Coordinates: 38.89380, -77.02180

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Washington, DC postal area 20531. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Washington
ZIP Code	20531
County	District of Columbia
State	DC
Latitude / Longitude	38.89380, -77.02180
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 20531 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 20531 are listed as 38.89380 / -77.02180, useful for GPS and service checks in and around Washington, DC.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20531 for mail delivery and general location reference in District of Columbia, DC.

This ZIP may extend beyond the city core into nearby communities within District of Columbia.

Related ZIP Codes (Nearby)

Explore other postal codes near Washington within DC.

Frequently Asked Questions

What is the primary city for ZIP code 20531?

The primary city for this ZIP code is Washington, located in DC.

In which county is 20531 located?

ZIP code 20531 is situated within District of Columbia, DC.

What are the coordinates for 20531?

The approximate center point is 38.89380 (Latitude) and -77.02180 (Longitude).

Is ZIP code 20531 active?

This page lists ZIP 20531 as Listed based on the latest refresh date shown above.

Does ZIP 20531 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