21821 postal code

United StatesUpdated 2026-11-09

Deal Island, MarylandSomerset5 digits

Postal code details

1 place

Code

21821

Place

Deal Island

Region

Maryland

County

Somerset

Coordinates

38.1533, -75.9496

Accuracy

4 / 6

Country

United States

38.1533, -75.9496© OpenStreetMap

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Place	Region	County	Coordinates
Deal Island	Maryland	Somerset	38.1533, -75.9496

Country	Place	Region
MX Mexico	2 Tubos	Baja California
SE Sweden	Tygelsjö	Skåne

Which city is 21821 in?

Deal Island, Maryland, United States.

What are the coordinates of 21821?

38.1533, -75.9496

Is 21821 used in other countries?

Yes, 2 other countries.

Updated 2026-11-09. Attribution in Data & license.