ZIP Code 04570

04570 is one of Maine's ZIP codes, delivering to addresses in Squirrel Island, Lincoln County.

City: Squirrel Island
County: Lincoln County
State: Maine
Prefix: 045xx

Where this code sits

04570 is part of the 045xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Squirrel Island.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04570 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04570

The ZIP codes whose reference points sit closest to 04570.
ZIP code	Distance	Delivers to
ZIP code 04549	0.0 mi	Isle Of Springs, ME
ZIP code 04543	1.1 mi	Damariscotta, ME
ZIP code 04553	2.0 mi	Newcastle, ME
ZIP code 04551	4.2 mi	Bremen, ME
ZIP code 04539	5.0 mi	Bristol, ME
ZIP code 04573	5.4 mi	Walpole, ME
ZIP code 04555	5.4 mi	Nobleboro, ME
ZIP code 04556	5.6 mi	Edgecomb, 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 04570, plotted from its record coordinates.

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

Scope ZIP code 04570. 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.