ZIP Code 21813

21813 is one of Maryland's ZIP codes, delivering to addresses in Bishopville, Worcester County.

City: Bishopville
County: Worcester County
State: Maryland
Prefix: 218xx

Where this code sits

21813 is part of the 218xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bishopville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 21813 delivers to without sharing its boundary.

ZIP codes nearest 21813

The ZIP codes whose reference points sit closest to 21813.
ZIP code	Distance	Delivers to
ZIP code 21862	2.6 mi	Showell, MD
ZIP code 19975	2.9 mi	Selbyville, DE
ZIP code 21872	5.3 mi	Whaleyville, MD
ZIP code 21811	5.7 mi	Berlin, MD
ZIP code 19945	6.1 mi	Frankford, DE
ZIP code 19944	7.9 mi	Fenwick Island, DE
ZIP code 21842	8.4 mi	Ocean City, MD
ZIP code 21843	8.4 mi	Ocean City, 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 21813, plotted from its record coordinates.

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

Scope ZIP code 21813. 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.