Anne Arundel County, Maryland has 43 ZIP codes in this list, from 20711 to 21412. They cover 33 places, among them Annapolis, Glen Burnie, Pasadena and Lothian.
The ZIP code areas of Anne Arundel County add up to about 415 square miles of land (1,075 sq km) as the Census Bureau draws them. The largest is 20711 (Lothian), with 33.8 square miles.
Places with more than one code here: Annapolis (8 codes), Glen Burnie (3 codes), Pasadena (2 codes).
Using these codes
In an address, the ZIP code comes last, after the city and the two-letter state: Lothian, MD 20711.
Tap a ZIP code to open it in the look-up, with a copy button for the address line.
A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
"No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.
ZIP Codes