ZIP Code 04421
Castine · Hancock, Maine
04421 is the ZIP code of Castine in Hancock, Maine, United States.
- ZIP Code
- 04421
- County
- Hancock
- State
- Maine
- Country
- United States
Place with ZIP code 04421
| Place | County | Location |
|---|---|---|
| Castine | Hancock | 44.416, -68.793 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 04421?
Castine.
Which county and state is 04421 in?
Hancock, Maine, United States.
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.