About ZIP Code 21057
ZIP code 21057 is assigned to Glen Arm, Baltimore County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 4,386 with a density of 106.6 people per square mile.
Location Details
ZIP Code21057
CityGlen Arm
CountyBaltimore County
StateMaryland
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude39.4511
Longitude-76.5061
ZIP TypeStandard ZIP
Post Office
Address13516 LONG GREEN PIKE
CityBALDWIN
StateMD
Nearby ZIP Codes in Maryland
Frequently Asked Questions
What city is ZIP code 21057 in?
ZIP code 21057 is in Glen Arm, Baltimore County, Maryland, United States.
What county is ZIP code 21057 in?
ZIP code 21057 is in Baltimore County, Maryland.
What timezone is ZIP code 21057 in?
ZIP code 21057 is in the Eastern Time (ET) zone (America/New_York).
What is the population of ZIP code 21057?
The estimated population of ZIP code 21057 is 4,386 people with a density of 106.6 people per square mile.
What state is ZIP code 21057 in?
ZIP code 21057 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.