21104 postal code
United StatesUpdated 2026-11-09Marriottsville, MarylandCarroll5 digits
Postal code details
1 placeCode
21104
Place
Marriottsville
Region
Maryland
County
Carroll
Coordinates
39.3342, -76.9132
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.3342, -76.9132© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Marriottsville | Maryland | Carroll | 39.3342, -76.9132 |
Same code in other countries
5| Country | Place | Region |
|---|---|---|
| CR Costa Rica | Guadalupe | Provincia de Alajuela |
| HN Honduras | Sector S.O. | Cortés |
| KR South Korea | 계양구 | 인천광역시 |
| PE Peru | Chilla | Puno |
| PL Poland | Berejów | Lublin |
FAQ
Which city is 21104 in?
Marriottsville, Maryland, United States.
What are the coordinates of 21104?
39.3342, -76.9132
Is 21104 used in other countries?
Yes, 5 other countries.
Updated 2026-11-09. Attribution in Data & license.