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 codePopulationArea
21012—9.8 sq miMain
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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ZIP codes near Arnold

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: