ZIP Code 21403
Annapolis · Anne Arundel, Maryland
21403 is the ZIP code of Annapolis in Anne Arundel, Maryland, United States.
- ZIP Code
- 21403
- County
- Anne Arundel
- State
- Maryland
- Country
- United States
Place with ZIP code 21403
| Place | County | Location |
|---|---|---|
| Annapolis | Anne Arundel | 38.952, -76.491 |
Near Baltimore
The nearest major city is Baltimore, about 39 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 21403?
Annapolis.
Which county and state is 21403 in?
Anne Arundel, Maryland, United States.
What is the nearest major city to 21403?
Baltimore, about 39 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.