ZIP Code 04864

04864 is one of Maine's ZIP codes, delivering to addresses in Warren, Knox County.

City: Warren
County: Knox County
State: Maine
Prefix: 048xx

Where this code sits

04864 is part of the 048xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Warren.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 04864 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 04864

The ZIP codes whose reference points sit closest to 04864.
ZIP code	Distance	Delivers to
ZIP code 04861	4.1 mi	Thomaston, ME
ZIP code 04572	6.5 mi	Waldoboro, ME
ZIP code 04841	6.7 mi	Rockland, ME
ZIP code 04865	7.7 mi	West Rockport, ME
ZIP code 04858	8.3 mi	South Thomaston, ME
ZIP code 04854	8.7 mi	Owls Head, ME
ZIP code 04856	8.9 mi	Rockport, ME
ZIP code 04859	8.9 mi	Spruce Head, 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 04864, plotted from its record coordinates.

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

Scope ZIP code 04864. 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.