ZIP Code 03904

03904 is one of Maine's ZIP codes, delivering to addresses in Kittery, York County.

City: Kittery
County: York County
State: Maine
Prefix: 039xx

Where this code sits

03904 is part of the 039xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kittery.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03904 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 03904

The ZIP codes whose reference points sit closest to 03904.
ZIP code	Distance	Delivers to
ZIP code 03905	1.6 mi	Kittery Point, ME
ZIP code 03802	1.7 mi	Portsmouth, NH
ZIP code 03803	1.7 mi	Portsmouth, NH
ZIP code 03804	1.7 mi	Portsmouth, NH
ZIP code 03854	2.0 mi	New Castle, NH
ZIP code 03903	3.3 mi	Eliot, ME
ZIP code 03801	3.4 mi	Portsmouth, NH
ZIP code 03911	5.8 mi	York Harbor, 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 03904, plotted from its record coordinates.

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

Scope ZIP code 03904. 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.