About ZIP code 04421
The ZIP code 04421 routes mail to Castine in the Maine 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
04421 - Castine
ZIP code 04421 is Castine in Maine, United States.
| ZIP code | 04421 |
| Place | Castine |
| Region | Maine |
| District | Hancock |
| Country | United States (US) |
| Coordinates | 44.4156, -68.7929 (map) |