About ZIP Code 21639
ZIP code 21639 is assigned to Greensboro, Caroline County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 4,682 with a density of 54.6 people per square mile.
Location Details
ZIP Code21639
CityGreensboro
CountyCaroline County
StateMaryland
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude38.9653
Longitude-75.7928
ZIP TypeStandard ZIP
Post Office
Address202 W SUNSET AVE
CityGREENSBORO
StateMD
Nearby ZIP Codes in Maryland
Frequently Asked Questions
What city is ZIP code 21639 in?
ZIP code 21639 is in Greensboro, Caroline County, Maryland, United States.
What county is ZIP code 21639 in?
ZIP code 21639 is in Caroline County, Maryland.
What timezone is ZIP code 21639 in?
ZIP code 21639 is in the Eastern Time (ET) zone (America/New_York).
What is the population of ZIP code 21639?
The estimated population of ZIP code 21639 is 4,682 people with a density of 54.6 people per square mile.
What state is ZIP code 21639 in?
ZIP code 21639 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.