ZIP Code 04003

04003 is one of Maine's ZIP codes, delivering to addresses in Bailey Island, Cumberland County.

City: Bailey Island
County: Cumberland County
State: Maine
Prefix: 040xx

Where this code sits

04003 is part of the 040xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bailey Island.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04003 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04003

The ZIP codes whose reference points sit closest to 04003.
ZIP code	Distance	Delivers to
ZIP code 04066	3.0 mi	Orrs Island, ME
ZIP code 04079	3.2 mi	Harpswell, ME
ZIP code 04013	5.8 mi	Bustins Island, ME
ZIP code 04017	6.1 mi	Chebeague Island, ME
ZIP code 04019	6.2 mi	Cliff Island, ME
ZIP code 04565	7.1 mi	Sebasco Estates, ME
ZIP code 04050	8.5 mi	Long Island, ME
ZIP code 04078	8.7 mi	South Freeport, 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 04003, plotted from its record coordinates.

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

Scope ZIP code 04003. 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.