Arnold, MD ZIP Codes
ZIP code, county, time zone and coordinates of Arnold, Maryland
The ZIP code of Arnold, MD is 21012. Arnold has 2 ZIP codes: 21012, 21405. It is in Anne Arundel County.
Mailing address format for Arnold
John Smith 123 Main St ARNOLD MD 21012 USA
USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.
All ZIP codes in Arnold
| ZIP code | Population | Area | |
|---|---|---|---|
| 21012 | — | 9.8 sq mi | Main |
| 21405 | — | 1.0 sq mi |
ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.
Where is Arnold? Location, county and time zone
- State
- Maryland
- County
- Anne Arundel County
- GPS coordinates
- 39.04316, -76.50511
- Elevation
- 128 ft (39 m)
- Time zone
- America/New YorkEST · UTC-05:00
- Population
- 24,064
Map of Arnold, MD 21012
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Arnold Street View
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Open in Google Maps ›ZIP codes near Arnold
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21402, 214034.9 mi - Arden on the Severn, MD
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214038.0 mi
Arnold ZIP code: FAQ
What is the ZIP code for Arnold, MD?
The main ZIP code for Arnold, MD is 21012. All ZIP codes: 21012, 21405.
How many ZIP codes does Arnold have?
Arnold has 2 ZIP codes.
What county is Arnold, MD in?
Arnold is in Anne Arundel County, Maryland.
What time zone is Arnold in?
Arnold is in the America/New York time zone (EST, UTC-05:00 right now).
What are the coordinates of Arnold?
Latitude 39.04316, longitude -76.50511.
Last updated: