21757 postal code
United StatesUpdated 2026-11-09Keymar, MarylandCarroll5 digits
Postal code details
1 placeCode
21757
Place
Keymar
Region
Maryland
County
Carroll
Coordinates
39.5656, -77.2817
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.5656, -77.2817© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Keymar | Maryland | Carroll | 39.5656, -77.2817 |
Same code in other countries
1| Country | Place | Region |
|---|---|---|
| SE Sweden | Malmö | Skåne |
FAQ
Which city is 21757 in?
Keymar, Maryland, United States.
What are the coordinates of 21757?
39.5656, -77.2817
Is 21757 used in other countries?
Yes, 1 other countries.
Updated 2026-11-09. Attribution in Data & license.