ZIP Code 04348

04348 is one of Maine's ZIP codes, delivering to addresses in Jefferson, Lincoln County.

City: Jefferson
County: Lincoln County
State: Maine
Prefix: 043xx

Where this code sits

04348 is part of the 043xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Jefferson.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04348 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04348

The ZIP codes whose reference points sit closest to 04348.
ZIP code	Distance	Delivers to
ZIP code 04341	3.2 mi	Coopers Mills, ME
ZIP code 04353	3.8 mi	Whitefield, ME
ZIP code 04363	6.5 mi	Windsor, ME
ZIP code 04574	7.2 mi	Washington, ME
ZIP code 04555	8.8 mi	Nobleboro, ME
ZIP code 04572	11 mi	Waldoboro, ME
ZIP code 04535	11 mi	Alna, ME
ZIP code 04346	12 mi	Randolph, 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 04348, plotted from its record coordinates.

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

Scope ZIP code 04348. 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.