ZIP Code 04851

04851 is one of Maine's ZIP codes, delivering to addresses in Matinicus, Knox County.

City: Matinicus
County: Knox County
State: Maine
Prefix: 048xx

Where this code sits

04851 is part of the 048xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Matinicus.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04851 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04851

The ZIP codes whose reference points sit closest to 04851.
ZIP code	Distance	Delivers to
ZIP code 04863	12 mi	Vinalhaven, ME
ZIP code 04858	17 mi	South Thomaston, ME
ZIP code 04859	17 mi	Spruce Head, ME
ZIP code 04854	18 mi	Owls Head, ME
ZIP code 04860	18 mi	Tenants Harbor, ME
ZIP code 04645	19 mi	Isle Au Haut, ME
ZIP code 04855	19 mi	Port Clyde, ME
ZIP code 04853	19 mi	North Haven, 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 04851, plotted from its record coordinates.

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

Scope ZIP code 04851. 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.