Wicomico County ZIP Codes

Wicomico County is a county of Maryland.

ZIP codes: 18
Cities & towns: 15
Area codes: 3
Land area: 374 sq mi

Every ZIP code in Wicomico County

218xx

The complete list of Wicomico County, MD ZIP codes with the city each one delivers to.
ZIP code	City
21801	Salisbury
21802	Salisbury
21803	Salisbury
21804	Salisbury
21810	Allen
21814	Bivalve
21826	Fruitland
21830	Hebron
21837	Mardela Springs
21840	Nanticoke
21849	Parsonsburg
21850	Pittsville
21852	Powellville
21856	Quantico
21861	Sharptown
21865	Tyaskin
21874	Willards
21875	Delmar

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Wicomico County codes above are listed without a column we would have to invent.

Cities and towns in Wicomico County

A further 7 places in Wicomico County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Wicomico County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Wicomico County's ZIP codes sit

Each point is the reference point of one Wicomico County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Wicomico County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.