ZIP Code 04579

04579 is one of Maine's ZIP codes, delivering to addresses in Woolwich, Sagadahoc County.

City: Woolwich
County: Sagadahoc County
State: Maine
Prefix: 045xx

Where this code sits

04579 is part of the 045xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Woolwich.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04579 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04579

The ZIP codes whose reference points sit closest to 04579.
ZIP code	Distance	Delivers to
ZIP code 04530	3.6 mi	Bath, ME
ZIP code 04578	6.6 mi	Wiscasset, ME
ZIP code 04008	6.8 mi	Bowdoinham, ME
ZIP code 04571	7.2 mi	Trevett, ME
ZIP code 04086	7.7 mi	Topsham, ME
ZIP code 04556	8.7 mi	Edgecomb, ME
ZIP code 04537	8.9 mi	Boothbay, ME
ZIP code 04342	9.1 mi	Dresden, 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 04579, plotted from its record coordinates.

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

Scope ZIP code 04579. 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.