Every ZIP code in Somerset County

044xx–049xx

The complete list of Somerset County, ME ZIP codes with the city each one delivers to.
ZIP code	City
04478	Rockwood
04911	Anson
04912	Athens
04920	Bingham
04923	Cambridge
04924	Canaan
04925	Caratunk
04929	Detroit
04937	Fairfield
04942	Harmony
04943	Hartland
04944	Hinckley
04945	Jackman
04950	Madison
04954	New Portland
04957	Norridgewock
04958	North Anson
04961	New Portland
04965	Palmyra
04967	Pittsfield
04971	Saint Albans
04975	Shawmut
04976	Skowhegan
04978	Smithfield
04979	Solon
04985	West Forks

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Somerset County codes above are listed without a column we would have to invent.

Area codes covering Somerset County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Somerset County's ZIP codes sit

Each point is the reference point of one Somerset County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Somerset County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.