ZIP Code 02343

02343 is one of Massachusetts's ZIP codes, delivering to addresses in Holbrook, Norfolk County.

City: Holbrook
County: Norfolk County
State: Massachusetts
Prefix: 023xx

Where this code sits

02343 is part of the 023xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Holbrook.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02343 delivers to without sharing its boundary.

ZIP codes nearest 02343

The ZIP codes whose reference points sit closest to 02343.
ZIP code	Distance	Delivers to
ZIP code 02322	2.3 mi	Avon, MA
ZIP code 02368	2.9 mi	Randolph, MA
ZIP code 02351	3.4 mi	Abington, MA
ZIP code 02190	3.6 mi	South Weymouth, MA
ZIP code 02302	4.3 mi	Brockton, MA
ZIP code 02303	4.4 mi	Brockton, MA
ZIP code 02304	4.4 mi	Brockton, MA
ZIP code 02305	4.4 mi	Brockton, MA

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 02343, plotted from its record coordinates.

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

Scope ZIP code 02343. 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.