ZIP Code 21404
Annapolis · Anne Arundel, Maryland
21404 is the ZIP code of Annapolis in Anne Arundel, Maryland, United States.
- ZIP Code
- 21404
- County
- Anne Arundel
- State
- Maryland
- Country
- United States
Place with ZIP code 21404
| Place | County | Location |
|---|---|---|
| Annapolis | Anne Arundel | 38.978, -76.492 |
Near Baltimore
The nearest major city is Baltimore, about 36 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21404?
Annapolis.
Which county and state is 21404 in?
Anne Arundel, Maryland, United States.
What is the nearest major city to 21404?
Baltimore, about 36 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.