ZIP Code 20451: Washington, DC
County: District of Columbia
Coordinates: 38.89770, -77.04440
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 20451, serving Washington in DC. It lies in District of Columbia and supports delivery, planning, and address verification.
| Primary City | Washington |
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| ZIP Code | 20451 |
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| County | District of Columbia |
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| State | DC |
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| Latitude / Longitude | 38.89770, -77.04440 |
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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 20451 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 20451 is approximately 38.89770 (latitude) and -77.04440 (longitude). This location sits within District of Columbia, contributing to regional planning across DC.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20451 for mail delivery and general location reference in
District of Columbia,
DC.
Some addresses near Washington may share this ZIP due to delivery routing and local service areas.
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 20451?
The primary city for this ZIP code is Washington, located in DC.
In which county is 20451 located?
ZIP code 20451 is situated within District of Columbia, DC.
What are the coordinates for 20451?
The approximate center point is 38.89770 (Latitude) and -77.04440 (Longitude).
Is ZIP code 20451 active?
This page lists ZIP 20451 as Listed based on the latest refresh date shown above.
Does ZIP 20451 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