ZIP Code 03046

03046 is one of New Hampshire's ZIP codes, delivering to addresses in Dunbarton, Merrimack County.

City: Dunbarton
County: Merrimack County
State: New Hampshire
Prefix: 030xx

Where this code sits

03046 is part of the 030xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dunbarton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 03046 delivers to without sharing its boundary.

603 Area code 603

ZIP codes nearest 03046

The ZIP codes whose reference points sit closest to 03046.
ZIP code	Distance	Delivers to
ZIP code 03304	4.4 mi	Bow, NH
ZIP code 03281	4.9 mi	Weare, NH
ZIP code 03045	6.2 mi	Goffstown, NH
ZIP code 03229	7.7 mi	Contoocook, NH
ZIP code 03106	9.2 mi	Hooksett, NH
ZIP code 03305	9.2 mi	Concord, NH
ZIP code 03301	9.2 mi	Concord, NH
ZIP code 03070	9.7 mi	New Boston, 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 03046, plotted from its record coordinates.

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

Scope ZIP code 03046. 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.