Annapolis, MD ZIP Codes
Annapolis, Maryland has 8 ZIP codes: 6 for street addresses (, , , , and ), 1 for PO boxes () and 1 for a single organization.
Your street decides which one you use.
Which Annapolis ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Annapolis ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
21404, 21411 and 21412 have no area on the Census map. Dashed line: Annapolis city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Annapolis ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 21401 | street delivery Legion Avenue |
| 21402 | street delivery Annapolis Sorting and Delivery Center |
| 21403 | street delivery Eastport |
| 21404 | PO boxes at the Annapolis post office Annapolis |
| 21405 | street delivery Annapolis Sorting and Delivery Center |
| 21409 | street delivery Annapolis Sorting and Delivery Center |
| 21411 | one organization Annapolis Sorting and Delivery Center |
| 21412 | street delivery Naval Academy |
Why your mail may say Annapolis when you live outside it
Annapolis ZIP codes also cover Parole, Annapolis Neck and Cape St. Claire, so a letter addressed to Annapolis can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Anne Arundel County property records show which city you are in.
Annapolis ZIP code questions
What is the main ZIP code for Annapolis?
21402, the ZIP code of the main Annapolis Sorting and Delivery Center post office at 210 Admiral Cochrane Dr.
Which Annapolis ZIP codes are for PO boxes only?
21404. Mail to it goes to boxes at the post office, not to street addresses.
What county is Annapolis in?
Anne Arundel County.
ZIP codes for towns near Annapolis
More towns near Annapolis: Dundalk, Essex, College Park, Baltimore, Catonsville, Columbia, Chillum, Middle River, Woodlawn.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections