ZIP Code 02305

02305 is one of Massachusetts's ZIP codes, delivering to addresses in Brockton, Plymouth County.

City: Brockton
County: Plymouth County
State: Massachusetts
Prefix: 023xx

Where this code sits

02305 is part of the 023xx range, the group of codes handled by one mail processing centre. Brockton is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Brockton page.

Brockton Massachusetts ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02305 delivers to without sharing its boundary.

ZIP codes nearest 02305

The ZIP codes whose reference points sit closest to 02305.
ZIP code	Distance	Delivers to
ZIP code 02303	0.0 mi	Brockton, MA
ZIP code 02304	0.0 mi	Brockton, MA
ZIP code 02302	0.9 mi	Brockton, MA
ZIP code 02301	1.1 mi	Brockton, MA
ZIP code 02322	3.2 mi	Avon, MA
ZIP code 02357	3.8 mi	North Easton, MA
ZIP code 02379	4.0 mi	West Bridgewater, MA
ZIP code 02351	4.0 mi	Abington, 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 02305, plotted from its record coordinates.

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

Scope ZIP code 02305. 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.