Postal reference / United States

21843Ocean City, Maryland

ZIP code 21843 is a United States postal code for Ocean City, Maryland. Its county association is Worcester County. The map reference point is at 38.3365, -75.0849.

State / territory
Maryland
Recorded place name
Ocean City
County association
Worcester
Estimated coordinate
38.3365, -75.0849
View on OpenStreetMap
ZIP prefix
218 · 43 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Maryland

Browse the other 604 ZIP codes recorded for Maryland, sorted by code with place and county.

Maryland directory

Other ZIP codes in Ocean City, MD

Ocean City has 2 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
21842Ocean CityMDWorcester0.0
21811BerlinMDWorcester5.6
21862ShowellMDWorcester8.4
21813BishopvilleMDWorcester8.4
19975SelbyvilleDESussex9.7
19944Fenwick IslandDESussex10.5
21872WhaleyvilleMDWorcester11.8
21841NewarkMDWorcester12.6

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup