ZIP Code 21108

21108 is one of Maryland's ZIP codes, delivering to addresses in Millersville, Anne Arundel County.

City: Millersville
County: Anne Arundel County
State: Maryland
Prefix: 211xx

Where this code sits

21108 is part of the 211xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Millersville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21108 delivers to without sharing its boundary.

ZIP codes nearest 21108

The ZIP codes whose reference points sit closest to 21108.
ZIP code	Distance	Delivers to
ZIP code 21146	3.7 mi	Severna Park, MD
ZIP code 21061	4.0 mi	Glen Burnie, MD
ZIP code 21032	4.1 mi	Crownsville, MD
ZIP code 21144	4.5 mi	Severn, MD
ZIP code 21113	4.7 mi	Odenton, MD
ZIP code 21060	5.0 mi	Glen Burnie, MD
ZIP code 21054	5.5 mi	Gambrills, MD
ZIP code 21077	5.5 mi	Harmans, 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 21108, plotted from its record coordinates.

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

Scope ZIP code 21108. 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.