Postal reference / United States
20774Upper Marlboro, Maryland
ZIP code 20774 is a United States postal code for Upper Marlboro, Maryland. Its county association is Prince George's County. The map reference point is at 38.8682, -76.8156.
- State / territory
- Maryland
- Recorded place name
- Upper Marlboro
- County association
- Prince George's
- Estimated coordinate
- 38.8682, -76.8156
View on OpenStreetMap - ZIP prefix
- 207 · 79 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 34.876 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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Maryland directoryOther ZIP codes in Upper Marlboro, MD
Upper Marlboro has 5 ZIP codes in the reference dataset.
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 20772 | Upper Marlboro | MD | Prince George's | 2.3 |
| 20721 | Bowie | MD | Prince George's | 3.9 |
| 20747 | District Heights | MD | Prince George's | 4.1 |
| 20697 | Southern Md Facility | MD | Prince George's | 4.1 |
| 20703 | Lanham | MD | Prince George's | 4.1 |
| 20717 | Bowie | MD | Prince George's | 4.1 |
| 20718 | Bowie | MD | Prince George's | 4.1 |
| 20719 | Bowie | MD | Prince George's | 4.1 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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