ZIP Code 21863

21863 is one of Maryland's ZIP codes, delivering to addresses in Snow Hill, Worcester County.

City: Snow Hill
County: Worcester County
State: Maryland
Prefix: 218xx

Where this code sits

21863 is part of the 218xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Snow Hill.

Snow Hill Maryland ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21863 delivers to without sharing its boundary.

ZIP codes nearest 21863

The ZIP codes whose reference points sit closest to 21863.
ZIP code	Distance	Delivers to
ZIP code 21829	6.3 mi	Girdletree, MD
ZIP code 21841	7.6 mi	Newark, MD
ZIP code 21864	9.8 mi	Stockton, MD
ZIP code 21852	9.9 mi	Powellville, MD
ZIP code 21851	11 mi	Pocomoke City, MD
ZIP code 23356	13 mi	Greenbackville, VA
ZIP code 21850	13 mi	Pittsville, MD
ZIP code 21804	13 mi	Salisbury, 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 21863, plotted from its record coordinates.

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

Scope ZIP code 21863. 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.