Every ZIP code in Sagadahoc County

040xx–045xx

The complete list of Sagadahoc County, ME ZIP codes with the city each one delivers to.
ZIP code	City
04008	Bowdoinham
04086	Topsham
04287	Bowdoin
04357	Richmond
04530	Bath
04548	Georgetown
04562	Phippsburg
04565	Sebasco Estates
04579	Woolwich

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Sagadahoc County codes above are listed without a column we would have to invent.

Cities and towns in Sagadahoc County

A further 8 places in Sagadahoc County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Sagadahoc County

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

Where Sagadahoc County's ZIP codes sit

Each point is the reference point of one Sagadahoc 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 Sagadahoc 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.