About ZIP Code 21655
ZIP code 21655 is assigned to Preston, Caroline County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 5,053 with a density of 37 people per square mile.
Location Details
ZIP Code21655
CityPreston
CountyCaroline County
StateMaryland
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude38.7460
Longitude-75.9210
ZIP TypeStandard ZIP
Post Office
Address301 MAIN ST
CityPRESTON
StateMD
Nearby ZIP Codes in Maryland
Frequently Asked Questions
What city is ZIP code 21655 in?
ZIP code 21655 is in Preston, Caroline County, Maryland, United States.
What county is ZIP code 21655 in?
ZIP code 21655 is in Caroline County, Maryland.
What timezone is ZIP code 21655 in?
ZIP code 21655 is in the Eastern Time (ET) zone (America/New_York).
What is the population of ZIP code 21655?
The estimated population of ZIP code 21655 is 5,053 people with a density of 37 people per square mile.
What state is ZIP code 21655 in?
ZIP code 21655 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.