ZIP Code 20774: Upper Marlboro, MD
County: Prince Georges County
Coordinates: 38.86820, -76.81560
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 20774, serving Upper Marlboro in MD. It lies in Prince Georges County and supports delivery, planning, and address verification.
| Primary City | Upper Marlboro |
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| ZIP Code | 20774 |
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| County | Prince Georges County |
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| State | MD |
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| Latitude / Longitude | 38.86820, -76.81560 |
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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 20774 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 20774 is approximately 38.86820 (latitude) and -76.81560 (longitude). This location sits within Prince Georges County, contributing to regional planning across MD.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20774 for mail delivery and general location reference in
Prince Georges County,
MD.
This ZIP may extend beyond the city core into nearby communities within Prince Georges County.
Related ZIP Codes (Nearby)
Explore other postal codes near Upper Marlboro within MD.
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Frequently Asked Questions
What is the primary city for ZIP code 20774?
The primary city for this ZIP code is Upper Marlboro, located in MD.
In which county is 20774 located?
ZIP code 20774 is situated within Prince Georges County, MD.
What are the coordinates for 20774?
The approximate center point is 38.86820 (Latitude) and -76.81560 (Longitude).
Is ZIP code 20774 active?
This page lists ZIP 20774 as Listed based on the latest refresh date shown above.
Does ZIP 20774 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