ZIP Code 04631

04631 is one of Maine's ZIP codes, delivering to addresses in Eastport, Washington County.

City: Eastport
County: Washington County
State: Maine
Prefix: 046xx

Where this code sits

04631 is part of the 046xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Eastport.

Eastport Maine ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04631 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04631

The ZIP codes whose reference points sit closest to 04631.
ZIP code	Distance	Delivers to
ZIP code 04652	2.0 mi	Lubec, ME
ZIP code 04667	6.3 mi	Perry, ME
ZIP code 04666	9.9 mi	Pembroke, ME
ZIP code 04628	11 mi	Dennysville, ME
ZIP code 04671	12 mi	Robbinston, ME
ZIP code 04691	16 mi	Whiting, ME
ZIP code 04657	20 mi	Meddybemps, ME
ZIP code 04626	21 mi	Cutler, ME

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 04631, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 04631. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.