21555 postal code
United StatesUpdated 2026-11-09Oldtown, MarylandAllegany5 digits
Postal code details
1 placeCode
21555
Place
Oldtown
Region
Maryland
County
Allegany
Coordinates
39.5846, -78.6044
Accuracy
4 / 6
Country
United States
Location
OpenStreetMap ↗
39.5846, -78.6044© OpenStreetMap
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Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Oldtown | Maryland | Allegany | 39.5846, -78.6044 |
FAQ
Which city is 21555 in?
Oldtown, Maryland, United States.
What are the coordinates of 21555?
39.5846, -78.6044
Is 21555 used in other countries?
Yes, 3 other countries.
Updated 2026-11-09. Attribution in Data & license.