About ZIP Code 21821
ZIP code 21821 is assigned to Deal Island, Somerset County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 797 with a density of 20.9 people per square mile.
Location Details
ZIP Code21821
CityDeal Island
CountySomerset County
StateMaryland
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude38.1666
Longitude-75.9061
ZIP TypeStandard ZIP
Post Office
Address10051 DEAL ISLAND RD
CityDEAL ISLAND
StateMD
Nearby ZIP Codes in Maryland
Frequently Asked Questions
What city is ZIP code 21821 in?
ZIP code 21821 is in Deal Island, Somerset County, Maryland, United States.
What county is ZIP code 21821 in?
ZIP code 21821 is in Somerset County, Maryland.
What timezone is ZIP code 21821 in?
ZIP code 21821 is in the Eastern Time (ET) zone (America/New_York).
What is the population of ZIP code 21821?
The estimated population of ZIP code 21821 is 797 people with a density of 20.9 people per square mile.
What state is ZIP code 21821 in?
ZIP code 21821 is in Maryland (MD), United States.
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Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.