21057 postal code
United StatesUpdated 2026-11-09Glen Arm, MarylandBaltimore5 digits
Postal code details
1 placeCode
21057
Place
Glen Arm
Region
Maryland
County
Baltimore
Coordinates
39.4575, -76.5153
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.4575, -76.5153© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Glen Arm | Maryland | Baltimore | 39.4575, -76.5153 |
Same code in other countries
4| Country | Place | Region |
|---|---|---|
| DZ Algeria | Douar El Ghedir | Skikda |
| FR France | Dijon | Bourgogne-Franche-Comté |
| IT Italy | Cascina Buon Gesu' | Lombardia |
| KR South Korea | 계양구 | 인천광역시 |
FAQ
Which city is 21057 in?
Glen Arm, Maryland, United States.
What are the coordinates of 21057?
39.4575, -76.5153
Is 21057 used in other countries?
Yes, 4 other countries.
Updated 2026-11-09. Attribution in Data & license.