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Essex, MD ZIP Code

Essex, Maryland has one ZIP code: .

Mail addressed to Essex covers nearby places too.

Where the 21221 ZIP code reaches

ZIP code map of Essex, MD1 ZIP code area in Essex: 21221. Dashed line: Essex city limits. Grey areas: neighboring towns.2122121221Middle RiverDundalkRosedaleSparrows PointBaltimore21221Middle RiverDundalkRosedaleBaltimore

Tap or point to an area to see its ZIP code.Full-size map

Dashed line: the Essex Census outline.

Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).

Check an address in Essex

Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?

Essex ZIP code questions

What is the main ZIP code for Essex?

21221, the ZIP code of the main Essex post office at 444 Maryland Ave.

What county is Essex in?

Baltimore County.

ZIP codes for towns near Essex

Middle River, MD1 ZIP code: 21220 · 3 milesDundalk, MD2 ZIP codes: 21222, 21224 · 4 milesParkville, MD1 ZIP code: 21234 · 8 milesBaltimore, MD39 ZIP codes: 21201, 21202, 21205 and more · 9 milesTowson, MD6 ZIP codes: 21204, 21212, 21286 and more · 11 milesPasadena, MD4 ZIP codes: 21060, 21122, 21226 and more · 12 miles

More towns near Essex: Glen Burnie, Pikesville, Bel Air South, Severna Park, Catonsville, Woodlawn, Severn, Milford Mill, Bel Air North.

Sources and last checked

USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.

Checked October 20, 2026. Sources · How we build our lists · Corrections