ZIP Code 20555: Washington, DC
County: District of Columbia
Coordinates: 38.90000, -77.04010
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Explore detailed information for ZIP code 20555 in Washington, DC. We include verified county details for District of Columbia plus key geographic references used for mapping and logistics.
| Primary City | Washington |
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| ZIP Code | 20555 |
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| County | District of Columbia |
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| State | DC |
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| Latitude / Longitude | 38.90000, -77.04010 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 20555 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 20555 are listed as 38.90000 / -77.04010, 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 20555 for mail delivery and general location reference in
District of Columbia,
DC.
Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Washington.
Related ZIP Codes (Nearby)
Explore other postal codes near Washington within DC.
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Frequently Asked Questions
What is the primary city for ZIP code 20555?
The primary city for this ZIP code is Washington, located in DC.
In which county is 20555 located?
ZIP code 20555 is situated within District of Columbia, DC.
What are the coordinates for 20555?
The approximate center point is 38.90000 (Latitude) and -77.04010 (Longitude).
Is ZIP code 20555 active?
This page lists ZIP 20555 as Listed based on the latest refresh date shown above.
Does ZIP 20555 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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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