ZIP Code 20623

20623 is one of Maryland's ZIP codes, delivering to addresses in Cheltenham, Prince George's County.

City: Cheltenham
County: Prince George's County
State: Maryland
Prefix: 206xx

Where this code sits

20623 is part of the 206xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cheltenham.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 20623 delivers to without sharing its boundary.

ZIP codes nearest 20623

The ZIP codes whose reference points sit closest to 20623.
ZIP code	Distance	Delivers to
ZIP code 20588	1.0 mi	Dhs, MD
ZIP code 20735	3.5 mi	Clinton, MD
ZIP code 20613	4.2 mi	Brandywine, MD
ZIP code 20762	4.2 mi	Andrews Air Force Base, MD
ZIP code 20697	6.0 mi	Southern Md Facility, MD
ZIP code 20703	6.0 mi	Lanham, MD
ZIP code 20717	6.0 mi	Bowie, MD
ZIP code 20718	6.0 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 20623, plotted from its record coordinates.

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

Scope ZIP code 20623. 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.