ZIP Code 04438

04438 is one of Maine's ZIP codes, delivering to addresses in Frankfort, Waldo County.

City: Frankfort
County: Waldo County
State: Maine
Prefix: 044xx

Where this code sits

04438 is part of the 044xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Frankfort.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04438 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04438

The ZIP codes whose reference points sit closest to 04438.
ZIP code	Distance	Delivers to
ZIP code 04496	4.6 mi	Winterport, ME
ZIP code 04951	4.8 mi	Monroe, ME
ZIP code 04981	6.9 mi	Stockton Springs, ME
ZIP code 04974	7.6 mi	Searsport, ME
ZIP code 04416	7.7 mi	Bucksport, ME
ZIP code 04972	8.3 mi	Sandy Point, ME
ZIP code 04444	10 mi	Hampden, ME
ZIP code 04921	10 mi	Brooks, 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 04438, plotted from its record coordinates.

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

Scope ZIP code 04438. 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.