ZIP Code 20774

20774 is one of Maryland's ZIP codes, delivering to addresses in Upper Marlboro, Prince George's County.

City

Upper Marlboro

County

Prince George's County

State

Maryland

Prefix

207xx

Where this code sits

20774 is part of the 207xx range, the group of codes handled by one mail processing centre. Upper Marlboro is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Upper Marlboro page.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 20774 delivers to without sharing its boundary.

ZIP codes nearest 20774

The ZIP codes whose reference points sit closest to 20774.
ZIP code	Distance	Delivers to
ZIP code 20772	2.3 mi	Upper Marlboro, MD
ZIP code 20721	3.9 mi	Bowie, MD
ZIP code 20747	4.1 mi	District Heights, MD
ZIP code 20697	4.1 mi	Southern Md Facility, MD
ZIP code 20703	4.1 mi	Lanham, MD
ZIP code 20717	4.1 mi	Bowie, MD
ZIP code 20718	4.1 mi	Bowie, MD
ZIP code 20719	4.1 mi	Bowie, MD

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 20774, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 20774. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.