Postal reference / United States

04420Castine, Maine

ZIP code 04420 is a United States postal code for Castine, Maine. Its county association is Hancock County. The map reference point is at 44.413, -68.798.

State / territory
Maine
Recorded place name
Castine
County association
Hancock
Estimated coordinate
44.413, -68.798
View on OpenStreetMap
ZIP prefix
044 · 68 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

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Other ZIP codes in Castine, ME

Castine has 2 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
04421CastineMEHancock0.3
04617BrooksvilleMEHancock4.2
04642HarborsideMEHancock5.5
04476PenobscotMEHancock5.6
04972Sandy PointMEWaldo7.1
04981Stockton SpringsMEWaldo7.5
04974SearsportMEWaldo8.4
04673SargentvilleMEHancock8.8

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