Arnold, MD ZIP Codes, Coordinates & Counties
Arnold, Maryland has 1 ZIP code in Anne Arundel county. The approximate center of Arnold is 39.045, -76.497. Arnold has about 28,256 known street addresses.
ZIP codes in Arnold, MD
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 21012 | Anne Arundel | 39.045 | -76.497 |
Counties Arnold spans
Anne Arundel
Most common streets in Arnold
College, Bay Dale, Pine, Forest, Joyce, Ritchie, Oakland Hills, Grandview, Church, Holly
Frequently asked questions
What ZIP codes are in Arnold, MD?
Arnold, Maryland has 1 ZIP code, ranging from 21012 to 21012. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Arnold, MD in?
Arnold is in Anne Arundel county.
What are the latitude and longitude of Arnold, MD?
The approximate center of Arnold, Maryland is latitude 39.045, longitude -76.497. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Arnold, MD have?
Arnold has 1 ZIP code.
How many addresses are in Arnold, MD?
Arnold, Maryland has about 28,256 known street addresses in the sthan.io US address database.
What are the most common streets in Arnold, MD?
Some of the most common street names in Arnold are College, Bay Dale, Pine, Forest, Joyce, Ritchie.
What cities are near Arnold, MD?
Cities near Arnold include Annapolis (3 mi), Gibson Island (4 mi), Severna Park (4 mi), Pasadena (5 mi), Crownsville (6 mi).
Cities near Arnold
Annapolis, MD (3 mi) Gibson Island, MD (4 mi) Severna Park, MD (4 mi) Pasadena, MD (5 mi) Crownsville, MD (6 mi) Millersville, MD (7 mi) Riva, MD (8 mi) Edgewater, MD (9 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database