ZIP Code 20588

20588 is one of Maryland's ZIP codes, delivering to addresses in Dhs, Howard County.

City: Dhs
County: Howard County
State: Maryland
Prefix: 205xx

Where this code sits

20588 is part of the 205xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dhs.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 20588 delivers to without sharing its boundary.

ZIP codes nearest 20588

The ZIP codes whose reference points sit closest to 20588.
ZIP code	Distance	Delivers to
ZIP code 20623	1.0 mi	Cheltenham, MD
ZIP code 20735	2.6 mi	Clinton, MD
ZIP code 20762	4.0 mi	Andrews Air Force Base, MD
ZIP code 20613	4.2 mi	Brandywine, MD
ZIP code 20697	5.9 mi	Southern Md Facility, MD
ZIP code 20703	5.9 mi	Lanham, MD
ZIP code 20717	5.9 mi	Bowie, MD
ZIP code 20718	5.9 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 20588, plotted from its record coordinates.

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

Scope ZIP code 20588. 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.