About ZIP code 21403
The ZIP code 21403 routes mail to Annapolis in the Maryland region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
21403 - Annapolis
ZIP code 21403 is Annapolis in Maryland, United States.
| ZIP code | 21403 |
| Place | Annapolis |
| Region | Maryland |
| District | Anne Arundel |
| Country | United States (US) |
| Coordinates | 38.9524, -76.491 (map) |