ZIP Code 03901

03901 is one of Maine's ZIP codes, delivering to addresses in Berwick, York County.

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

Where this code sits

03901 is part of the 039xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Berwick.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03901 delivers to without sharing its boundary.

207 Area code 207

ZIP codes nearest 03901

The ZIP codes whose reference points sit closest to 03901.
ZIP code	Distance	Delivers to
ZIP code 03878	2.8 mi	Somersworth, NH
ZIP code 03869	4.5 mi	Rollinsford, NH
ZIP code 03868	4.8 mi	Rochester, NH
ZIP code 03908	5.4 mi	South Berwick, ME
ZIP code 03866	6.1 mi	Rochester, NH
ZIP code 03867	6.1 mi	Rochester, NH
ZIP code 03821	6.4 mi	Dover, NH
ZIP code 03822	6.4 mi	Dover, NH

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 03901, plotted from its record coordinates.

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

Scope ZIP code 03901. 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.