ZIP Code 01430

01430 is one of Massachusetts's ZIP codes, delivering to addresses in Ashburnham, Worcester County.

City: Ashburnham
County: Worcester County
State: Massachusetts
Prefix: 014xx

Where this code sits

01430 is part of the 014xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ashburnham.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01430 delivers to without sharing its boundary.

ZIP codes nearest 01430

The ZIP codes whose reference points sit closest to 01430.
ZIP code	Distance	Delivers to
ZIP code 01431	5.8 mi	Ashby, MA
ZIP code 01440	6.1 mi	Gardner, MA
ZIP code 01475	6.5 mi	Winchendon, MA
ZIP code 01473	7.1 mi	Westminster, MA
ZIP code 01441	7.2 mi	Westminster, MA
ZIP code 03071	7.6 mi	New Ipswich, NH
ZIP code 01420	7.9 mi	Fitchburg, MA
ZIP code 01436	8.0 mi	Baldwinville, 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 01430, plotted from its record coordinates.

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

Scope ZIP code 01430. 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.