ZIP Code 21057 — Glen Arm, MD
ZIP code 21057 serves Glen Arm, Maryland, within Baltimore County. It is part of area code 410, with population 3,834 and mean income of $126,740.
Location details
- City
- Glen Arm
- County
- Baltimore County
- State
- Maryland (MD)
- Area code
- 410
- Population
- 3,834
- Mean income
- $126,740
- Coordinates
- 39.448750, -76.512470
- Timezone
- America/New York
Related ZIP codes in MD
Open state pageAbout ZIP code 21057
ZIP code 21057 is a Standard ZIP in Glen Arm, Maryland. It is linked to area code 410 and can be used to explore related ZIP codes, state-level coverage, and nearby geographic data.
The location coordinates are 39.448750, -76.512470, which can later be displayed on a map for better geographic context.
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ZIP 21057 · Glen Arm, MD