Skip to content

ZIP code 21404: Annapolis, MD

21404 is a PO Box or single-organization ZIP code in Annapolis, Maryland, mainly in Anne Arundel County, part of the Baltimore-Columbia-Towson, MD metro area.

Loading map…

Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 21404 details

CityAnnapolis
StateMaryland
CountyAnne Arundel County
Metro areaBaltimore-Columbia-Towson, MD
Time zoneEastern Time (UTC−5), observes daylight saving time
TypePO Box / single organization
Center coordinates38.97840, -76.49220

ZIP codes near 21404

ZIP codeCityDistancePopulation
21402Annapolis, MD1.3 mi4,303
21403Annapolis, MD2.5 mi32,681
21401Annapolis, MD3.3 mi38,629
21409Annapolis, MD3.8 mi20,289
21405Annapolis, MD4.6 mi495
21012Arnold, MD4.7 mi22,570
21037Edgewater, MD4.9 mi20,854
21140Riva, MD5.4 mi4,417

About ZIP code 21404

What city is ZIP code 21404?

ZIP code 21404 is in Annapolis, MD, in Anne Arundel County.

What county is ZIP code 21404 in?

21404 is mainly in Anne Arundel County, Maryland.

Why doesn't 21404 have a population?

21404 is a PO Box or single-organization ZIP code. It has a post office location but no residential delivery area, so the Census Bureau reports no population for it.

What time zone is ZIP code 21404 in?

21404 is in Eastern Time (UTC−5). It observes daylight saving time.

What other ZIP codes does Annapolis have?

Annapolis, MD also uses 21401, 21402, 21403, 21405, 21409, 21411 and 21412.