ZIP Code 21678

21678 is one of Maryland's ZIP codes, delivering to addresses in Worton, Kent County.

City: Worton
County: Kent County
State: Maryland
Prefix: 216xx

Where this code sits

21678 is part of the 216xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Worton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21678 delivers to without sharing its boundary.

ZIP codes nearest 21678

The ZIP codes whose reference points sit closest to 21678.
ZIP code	Distance	Delivers to
ZIP code 21667	3.7 mi	Still Pond, MD
ZIP code 21610	5.2 mi	Betterton, MD
ZIP code 21620	5.9 mi	Chestertown, MD
ZIP code 21645	6.4 mi	Kennedyville, MD
ZIP code 21628	11 mi	Crumpton, MD
ZIP code 21651	11 mi	Millington, MD
ZIP code 21010	12 mi	Gunpowder, MD
ZIP code 21623	12 mi	Church Hill, 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 21678, plotted from its record coordinates.

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

Scope ZIP code 21678. 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.